User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a tetronic acid derivative that is furan-2(5H)-one which is substituted at positions 3, 4, and 5 by butanoyl, hydroxy, and carboxymethyl groups, respectively (the S enantiomer). It has a role as an Aspergillus metabolite and a Penicillium metabolite. It is a butenolide, a carboxylic acid, an enol, a ketone and a tetronic acid derivative.
Assistant: This is a molecule that fits this description: CCCC(=O)C1=C(O)[C@H](CC(=O)O)OC1=O
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#}
CCCC(=O)C1=C(O)[C@H](CC(=O)O)OC1=O
2-[(2S)-4-butanoyl-3-hydroxy-5-oxo-2H-furan-2-yl]acetic acid
The molecule is a tetronic acid derivative that is furan-2(5H)-one which is substituted at positions 3, 4, and 5 by butanoyl, hydroxy, and carboxymethyl groups, respectively (the S enantiomer). It has a role as an Aspergillus metabolite and a Penicillium metabolite. It is a butenolide, a carboxylic acid, an enol, a ketone and a tetronic acid derivative.