[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a tyrosine derivative that is dopa in which one of the hydrogens of the amino group is replaced by a methyl group. It is a tyrosine derivative, a hydroxyphenylalanine and a non-proteinogenic alpha-amino acid. It is functionally related to a dopa."}, {"from": "gpt", "value": "[C][N][C][Branch1][S][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O]"}]