You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl]-3-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)phenyl]urea by IUPAC nomenclature, provide its molecular formula.
user
C23H25N5O2
assistant