[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Ring2][C][=C][C][=C][Ring1][=Branch1][C][C@@H1][Branch2][Ring1][#Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][=Branch1][C][=O][O][N][O]"}, {"from": "gpt", "value": "The molecule is a dipeptide composed of L-tyrosine and L-arginine joined by a peptide linkage. It is a conjugate base of a L-tyrosiniumyl-L-arginine(1+)."}]