You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[[(1S)-1-carboxy-5-[5-[[4-carboxy-4-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]butanoyl]amino]pentanoyl-[(4-iodophenyl)methyl]amino]pentyl]carbamoylamino]pentanedioic acid by IUPAC nomenclature, provide its molecular formula.
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C43H65IN8O17
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