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 17-(1,3-benzodioxol-5-yl)-14-oxa-11-azatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,8,11,16-heptaen-15-one ?
user
C22H13NO4
assistant