You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named furan-2-yl-[4-[1-(5-thiophen-2-yl-1,2-oxazol-3-yl)cyclopropanecarbonyl]piperazin-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C20H19N3O4S
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