[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an alpha-methylhistidine that has L-configuration. It is functionally related to a L-histidine."}, {"from": "gpt", "value": "[C][C@][Branch1][=Branch2][C][C][=C][N][=C][N][Ring1][Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]