You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3aR,6aS)-5-[[4-[(2,5-difluorophenyl)methoxy]phenyl]sulfonylamino]-N-hydroxy-3a,4,6,6a-tetrahydrocyclopenta[d][1,3]dioxole-5-carboxamide into molecular formula.
user
C20H20F2N2O7S
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