---
search:
boost: 5.0
---
# Slot: SMILES
_Simplified Molecular Input Line Entry System (SMILES) ASCII-based line notation used to describe chemical structures. It represents molecular graphs with atoms and bonds, allowing software to convert these short strings into 2D or 3D models._
URI: [https://CCPBioSim.ac.uk/biosim-schema/SMILES](https://CCPBioSim.ac.uk/biosim-schema/SMILES)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [MoleculeID](../classes/MoleculeID.md) | Identifiers of a molecule type in the simulated system | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [string](../types/string.md) |
| Domain Of | [MoleculeID](../classes/MoleculeID.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
### Value Constraints
| Property | Value |
| --- | --- |
| Regex Pattern | `^[A-Za-z0-9@+\-\[\]()=#$:./\\%*]+$` |
## Aliases
* SMILES
## Examples
| Value |
| --- |
| CN1C=NC2=C1C(=O)N(C(=O)N2C)C |
## Identifier and Mapping Information
### Annotations
| property | value |
| --- | --- |
| engine_mapping | [{'engine': 'toptrajparser', 'key': 'SMILES'}] |
### Schema Source
* from schema: https://CCPBioSim.ac.uk/biosim-schema/
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | https://CCPBioSim.ac.uk/biosim-schema/SMILES |
| native | https://CCPBioSim.ac.uk/biosim-schema/SMILES |
## LinkML Source
```yaml
name: SMILES
annotations:
engine_mapping:
tag: engine_mapping
value:
- engine: toptrajparser
key: SMILES
description: Simplified Molecular Input Line Entry System (SMILES) ASCII-based line
notation used to describe chemical structures. It represents molecular graphs with
atoms and bonds, allowing software to convert these short strings into 2D or 3D
models.
examples:
- value: CN1C=NC2=C1C(=O)N(C(=O)N2C)C
from_schema: https://CCPBioSim.ac.uk/biosim-schema/
aliases:
- SMILES
rank: 1000
domain_of:
- MoleculeID
range: string
pattern: ^[A-Za-z0-9@+\-\[\]()=#$:./\\%*]+$
```