You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[2-(oxan-4-yl)pyrimidin-5-yl]-11-phenyl-3,8,10-triazatetracyclo[10.1.1.02,10.04,9]tetradeca-2,4(9),5,7-tetraene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H25N5O
assistant