You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-oxo-2-[2-(4-phenylphenyl)ethyl-[[3-(3-undecyl-1,2,4-oxadiazol-5-yl)phenyl]methyl]amino]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H47N3O4
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