You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[4-(dimethylamino)phenyl]methyl]-1-(3,4-dimethylphenyl)-3-[2,6-di(propan-2-yl)phenyl]urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H39N3O
assistant