[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][N][C@H1][C][O][C@H1][Branch1][#Branch1][C][C@@H1][Ring1][=Branch1][O][C][O][C@@H1][C@H1][Branch2][=Branch2][N][C@@H1][Branch2][Branch1][C][C@@H1][Branch2][Ring2][=N][O][C@H1][Ring1][=Branch1][O][C@H1][C][#C][/C][=C][\\C][#C][C@@][Branch2][Ring1][N][C][C][=Branch1][C][=O][C][=Branch1][=N][=C][Ring1][=N][/C][\\-Ring1][#Branch1][=C][\\C][S][S][S][C][N][C][=Branch1][C][=O][O][C][O][C][N][O][C@H1][C][C@@H1][Branch2][Branch1][=C][C@@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][S][C][=Branch1][C][=O][C][=C][Branch2][Ring2][=Branch2][C][=Branch2][Ring2][Ring2][=C][Branch1][O][C][=Branch1][=Branch1][=C][Ring1][=Branch1][O][C][O][C][O][C@H1][C@@H1][Branch1][P][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][C][O][I][C][O][O]"}, {"from": "gpt", "value": "The molecule is a calcheamicin in which contains 3-O-methyl-alpha-L-rhamnosyl, 2,6-dideoxy-4-thio-beta-D-ribo-hexopyranosyl, and 4-amino-4,6-dideoxy-2-O-[2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl]-alpha-L-idopyranose units and in which the aromatic ring contains an iodo substituent. It has a role as a metabolite and an antineoplastic agent. It is an organoiodine compound, a calicheamicin and an enediyne antibiotic."}]