You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(12,21-diazaoctacyclo[17.10.1.02,11.03,8.012,30.013,18.020,28.022,27]triaconta-1(30),2(11),3,5,7,9,13,15,17,19,22,24,26,28-tetradecaen-21-yl)-4-(4-phenylphenyl)-[1]benzothiolo[3,2-d]pyrimidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C50H28N4S
assistant