[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][C][=N][C][=C][Ring1][Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a L-histidine derivative that is L-histidine substituted by a methyl group at position 3 on the imidazole ring. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a L-histidine derivative and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a N(pros)-methyl-L-histidine zwitterion."}]