[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an alanine derivative in which two alanine residues are linked on their beta-carbons by a thioether linkage. It has a role as a bacterial metabolite. It is an alanine derivative, an organic sulfide and a non-proteinogenic alpha-amino acid."}]