[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][N][C][=C][C][=Branch2][Ring1][=N][=C][C][=Branch1][=Branch1][=C][Ring1][N][Ring1][=Branch1][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][#Branch1][=O][N][C][Branch1][Ring1][C][O][C][O][C][=C][Branch2][Ring1][#Branch2][N][Ring2][Ring1][Ring1][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][C][=C][Branch1][=Branch1][C][=C][Ring2][Ring1][C][O]"}, {"from": "gpt", "value": "The molecule is a synthetic indolocarbazole with antineoplastic activity. Edotecarin inhibits the enzyme topoisomerase I through stabilization of the DNA-enzyme complex and enhanced single-strand DNA cleavage, resulting in inhibition of DNA replication and decreased tumor cell proliferation. (NCI04)"}]