[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a Se-methylselenomethionine that has L-configuration. It is an enantiomer of a Se-methyl-D-selenomethionine. It is a tautomer of a Se-methyl-L-selenomethionine(1+)."}, {"from": "gpt", "value": "[C][Se+1][Branch1][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]