You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl 4-[(4R)-3-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-5-oxo-4-[2-oxo-2-(4-propoxyanilino)ethyl]-2-sulfanylideneimidazolidin-1-yl]benzoate by IUPAC nomenclature, provide its molecular formula.
user
C36H42ClN5O5S
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