You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-methoxy-12-[(E)-pent-1-enyl]tricyclo[8.2.2.24,7]hexadeca-1(12),4,6,10,13,15-hexaen-5-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26O2
assistant