[{"from": "human", "value": "Provide a description of this molecule. [C][C][N][Branch1][Ring1][C][C][C][C][N][C][=Branch1][C][=O][C][=C][C][=Branch2][Ring1][#Branch2][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][131I]"}, {"from": "gpt", "value": "The molecule is an iodine 131-radiolabeled small-molecule benzamide compound with potential antineoplastic activity. The benzamide moiety of 131-I-MIP-1145 binds to melanin, selectively delivering a cyotoxic dose of gamma and beta radiation to melanin-expressing tumor cells. Melanin pigments, polymer derivatives of the amino acid tyrosine, are over-expressed in approximately 40% of melanomas."}]