[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][C][S][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an N-acyl-L-alpha-amino acid obtained by formal condensation of the carboxy group of propanoic acid with the amino group of L-methionine. It is a L-methionine derivative and a N-(fatty acyl)-L-alpha-amino acid. It is functionally related to a propionic acid. It is a conjugate acid of a N-propanoyl-L-methioninate."}]