[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a nitrate ester."}, {"from": "gpt", "value": "[C][Branch1][Branch2][C][O][N+1][=Branch1][C][=O][O-1][N][Branch1][=Branch2][C][C][O][N+1][=Branch1][C][=O][O-1][C][C][O][N+1][=Branch1][C][=O][O-1]"}]