You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by hexacyclo[16.3.1.02,7.08,21.011,20.014,19]docosa-1(22),2,4,6,8(21),9,11(20),12,14,16,18-undecaen-16-ol ?
user
C22H12O
assistant