You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[4-[[3,5-diethyl-4-(pyridin-3-ylcarbamoylamino)phenyl]methyl]-2,6-diethylphenyl]-3-pyridin-3-ylurea into molecular formula.
user
C33H38N6O2
assistant