You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-[4-oxo-5-[[1-phenyl-3-(3-propoxyphenyl)pyrazol-4-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-3-yl]undecanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H39N3O4S2
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