You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(18-pyrimidin-5-yl-8,14-dioxa-1-borapentacyclo[11.7.1.02,7.09,21.015,20]henicosa-2(7),3,5,9(21),10,12,15(20),16,18-nonaen-4-yl)pyrimidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H15BN4O2
assistant