You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[2-hydroxy-5-methyl-3-(2,4,6-tritert-butylphenyl)phenyl]-5-methyl-2-[3-(N-methylanilino)propoxy]phenyl]-4-methyl-6-(2,4,6-tritert-butylphenyl)phenol is the IUPAC name of a molecule. Please give its molecular formula.
user
C67H89NO3
assistant