You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 18-[3-[2-[2-[3-[[4-[[(1S)-1-carboxy-4-oxopentyl]amino]-4-oxobutanoyl]amino]propoxy]ethoxy]ethoxy]propylamino]-18-oxooctadecanoic acid by IUPAC nomenclature, provide its molecular formula.
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C38H69N3O11
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