You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-deuterio-3-[5-fluoro-7-[[4-(morpholin-4-ylmethyl)phenyl]methylamino]-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione by IUPAC nomenclature, provide its molecular formula.
user
C25H27FN4O4
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