You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(2,2-difluoroethyl)-1-(2-methoxyethyl)-3-[(2S)-1-[(2S)-2-methylpiperidin-1-yl]-1-oxopropan-2-yl]urea ?
user
C15H27F2N3O3
assistant