You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,4-ditert-butyl-6-[4-[17-(4-cyclohexylpyridin-2-yl)-21-oxapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(14),2,4,6,8,10,12,15(20),16,18-decaen-19-yl]-1,3-benzoxazol-2-yl]phenol is the IUPAC name of a molecule. Please give its molecular formula.
user
C52H48N2O3
assistant