[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a secondary nitroalkane that is propane in which a hydrogen at position 2 has been replaced by a nitro group. Mainly used as a solvent (b.p. 120\u2103). It has a role as a hepatotoxic agent, a carcinogenic agent, a polar aprotic solvent and a xenobiotic."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][N+1][=Branch1][C][=O][O-1]"}]