[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an L-leucine derivative that is the amide obtained by formal condensation of the carboxy group of L-leucine with the amino group of 2-naphthylamine. It has a role as a chromogenic compound. It is a N-(2-naphthyl)carboxamide, an amino acid amide and a L-leucine derivative."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][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]"}]