[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][C][C][C][C@H1][C][N][C][C][C][=C][C][=Branch2][Ring1][C][=C][Branch1][=N][C][=C][Ring1][=Branch1][C@@H1][Ring1][#Branch2][C][C][Ring1][=C][=O][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a 9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one in which both stereocentres have S configuration. It is an enantiomer of a (3R,11bR)-9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one."}]