You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-[4-phenyl-6-(4-phenylphenyl)-1,3,5-triazin-2-yl]spiro[14-thia-10-azapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4,6,8,11,15,17,19-nonaene-21,9'-fluorene] The above is the IUPAC name of a molecule. Write its molecular formula.
user
C52H32N4S
assistant