You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3aR,11aS)-5-(benzimidazol-1-yl)-4-(2-chloro-2,2-difluoroacetyl)-11,11-difluoro-1,2,3a,11a-tetrahydronaphtho[1,2-g][1]benzofuran-10-one is given. What is its corresponding molecular formula?
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C25H15ClF4N2O3
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