You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule butoxy-[2-chloro-4-[3-(3,5-dichlorophenyl)-3-methyl-2,4-dihydropyrrol-5-yl]phenyl]methanol into molecular formula.
user
C22H24Cl3NO2
assistant