[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][C][C][=N][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a N(6)-acyl-L-lysine having (2R,3R)-3-methyl-3,4-dihydro-2H-pyrrol-2-ylcarbonyl as the N(6)-acyl group. It is a proteinogenic amino acid, a N(6)-acyl-L-lysine and a pyrrolysine. It is a conjugate base of a L-pyrrolysinium. It is a tautomer of a L-pyrrolysine zwitterion."}]