[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a methyl ketone that is acetone in which one of the hydrogens is replaced by a 1-methylpyrrolidin-2-yl group. It is a N-alkylpyrrolidine, a methyl ketone and a tertiary amino compound."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C][C][C][C][N][Ring1][Branch1][C]"}]