You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[(5R)-3-(4-fluorophenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]-1-methyl-3-propan-2-ylurea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H20FN3O2
assistant