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-[(3-chloro-2-fluorophenyl)methyl]-2-[[2-[ethenyl-[(E)-4-methoxypent-2-en-2-yl]amino]acetyl]-propan-2-ylamino]acetamide into molecular formula.
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C22H31ClFN3O3
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