[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Cl]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of (S)-2-chloropropanoic acid obtained by deprotonation of the carboxy group. It is a conjugate base of a (S)-2-chloropropanoic acid."}]