[{"from": "human", "value": "Provide a description of this molecule. [C][Se+1][Branch1][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "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+)."}]