You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-[(4-cyclohexylphenoxy)methyl]-10-oxa-1,8-diazatricyclo[7.3.0.02,6]dodeca-2(6),8-dien-7-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26N2O3
assistant