[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a chloroalkane that is 1,3-dichloropropane substituted by a chloro group and a methyl group at position 2."}, {"from": "gpt", "value": "[C][C][Branch1][Ring1][C][Cl][Branch1][Ring1][C][Cl][Cl]"}]