[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1][Se]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid cation resulting from the protonation of the amino group of selenocysteine. It is a conjugate acid of a selenocysteine."}]