[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an anthracycline, a member of tetracenequinones, a methyl ester and a tertiary alcohol. It has a role as an antineoplastic agent."}, {"from": "gpt", "value": "[C][C][C@][Branch2][Branch1][Ring1][C][C@@H1][Branch2][Ring2][=N][C][=C][Branch2][Ring2][#Branch1][C][=C][Branch1][=C][C][=C][Ring1][=Branch1][C@H1][Ring1][#Branch2][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][=C][=O][C][=Branch1][=Branch1][=C][C][=C][Ring1][Branch2][O][O][O][O]"}]