You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(5S)-5-[[2-(4-iodophenyl)acetyl]amino]-6-[4-(6-methylpyridin-2-yl)piperazin-1-yl]-6-oxohexyl]prop-2-enamide into molecular formula.
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C27H34IN5O3
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