[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural pyrrolizidine alkaloid with antineoplastic properties.  Indicine-N-oxide alkylates and crosslinks DNA. (NCI04)"}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring2][Branch1][C@][Branch1][=Branch1][C][Branch1][C][C][C][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][O][C][C][=C][C][N+1][Branch1][N][C@H1][Ring1][Branch1][C@@H1][Branch1][Branch1][C][C][Ring1][Branch1][O][O-1][O][O]"}]