You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 9-[4-[4-[2-[(3-chlorophenyl)methyl]-1-oxo-3,4-dihydroisoquinolin-7-yl]piperazin-1-yl]butyl]-N-(2,2,2-trifluoroethyl)xanthene-9-carboxamide into its molecular formula.
user
C40H40ClF3N4O3
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