You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[2,6-di(propan-2-yl)phenyl]-1-[(4-methoxyphenyl)methyl]-1-(4-octylphenyl)urea by IUPAC nomenclature, provide its molecular formula.
user
C35H48N2O2
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