[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C][C][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-cysteine thioether resulting from the formal condensation of the carboxy group of acetic acid with the amino group of L-thialysine. It is a member of acetamides and a L-cysteine thioether. It is functionally related to a L-thialysine. It is a tautomer of a N-acetyl-L-thialysine zwitterion."}]