You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-[2-ethoxy-4-(trifluoromethyl)phenyl]-4-(4-phosphanylphenyl)-5-[(E)-prop-1-enyl]-4,5-dihydroimidazol-1-yl]-(4-phenylpiperidin-1-yl)methanone by IUPAC nomenclature, provide its molecular formula.
user
C33H35F3N3O2P
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