You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 1-[(4-tert-butyl-1,3-oxazol-2-yl)methyl]-3-[1-(2,5-dimethylthiophen-3-yl)ethyl]urea ?
user
C17H25N3O2S
assistant