User: I'm searching for the SMILES of a molecule that can be described by:
The molecule is an Fe4S4 iron-sulfur cluster in which each sulfur is attached to three of the iron atoms. It has a role as a cofactor.
Assistant: This is a molecule that fits your description: [Fe].[Fe].[Fe].[Fe].[SH3+].[SH3+].[SH3+].[SH3+]
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
[Fe].[Fe].[Fe].[Fe].[SH3+].[SH3+].[SH3+].[SH3+]
[SH3+].[SH3+].[SH3+].[SH3+].[Fe].[Fe].[Fe].[Fe]
tetrasulfanium;iron
The molecule is an Fe4S4 iron-sulfur cluster in which each sulfur is attached to three of the iron atoms. It has a role as a cofactor.