[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an alpha-amino-acid cation that is the conjugate acid of phenylalanine, arising from protonation of the amino group. It is a conjugate acid of a phenylalanine."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}]