[{"from": "human", "value": "Could you provide a description of this molecule? [C][Se+1][Branch1][N][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][C@@H1][C@H1][Branch2][Ring1][N][C@H1][Branch2][Ring1][#Branch1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][O][O]"}, {"from": "gpt", "value": "The molecule is an organic cation that is the zwitterionic tautomer of L-adenosylselenomethionine arising from shift of the proton from the carboxy group to the amino group; major species at pH 7.3. It is a tautomer of a L-adenosylselenomethionine."}]