You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-1-spiro[2,3-dihydro-1H-isoquinoline-4,4'-piperidine]-1'-yl-3-[2-(trifluoromethyl)phenyl]prop-2-en-1-one;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C23H24ClF3N2O
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