You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 7-[3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-2-piperidin-1-yl-1,3-benzoxazole-4-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C26H31N5O
assistant