[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an N-carbamoyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of N-carbamoyl-L-tryptophan; major microspecies at pH 7.3."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][Branch1][=C][N][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][N]"}]