You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [2-[1-[4-(3,4-difluorophenoxy)butyl]piperidin-4-yl]-3,5-dimethyl-4-nitrophenyl]thiourea into molecular formula.
user
C24H30F2N4O3S
assistant