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Under IUPAC nomenclature, a molecule named N-[4-[4-amino-7-[2-[2-[4-[4-amino-7-methyl-6-[4-(3-methylidene-2-oxopyrrolidin-1-yl)phenyl]pyrrolo[2,3-d]pyrimidin-5-yl]cyclohexa-1,5-dien-1-yl]oxypyrimidin-4-yl]ethyl]-5-[(4R)-4-(spiro[bicyclo[2.1.0]pentane-5,2'-pyrrolidine]-1'-carbonyl)cyclohexen-1-yl]pyrrolo[2,3-d]pyrimidin-6-yl]phenyl]-2-methylprop-2-enamide is given. What is its corresponding molecular formula?
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C61H61N13O4
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