[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch1][=Branch1][N][C][=N][Ring1][Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C][C][N]"}, {"from": "gpt", "value": "The molecule is an N-acyl-L-alpha-amino acid anion that is the conjugate base of carnosine, obtained by deprotonation of the carboxy group. It is a conjugate base of a carnosine and a carnosine zwitterion."}]