You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [(4S,4aR,8aR)-4-hydroxy-4-phenyl-2,3,4a,5,6,7,8,8a-octahydroquinolin-1-yl]-quinolin-2-ylmethanone by IUPAC nomenclature, provide its molecular formula.
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C25H26N2O2
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