[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=C][Branch1][=Branch2][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2][N][C][=Branch1][C][=O][C@H1][Branch2][Ring1][=N][C][S][S][C][C@@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][N][N]"}, {"from": "gpt", "value": "The molecule is an L-cysteine derivative that is the amide obtained by formal condensation of the carboxy groups of L-cystine with the amino groups from two molecules of 2-naphthylamine. It has a role as a chromogenic compound. It is a N-(2-naphthyl)carboxamide, a L-cysteine derivative, an amino acid amide, an organic disulfide and a dicarboxylic acid diamide. It is functionally related to a L-cystine."}]