You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3,4,5,6-tetrachloro-11-methoxy-14-oxa-11-azapentacyclo[6.5.1.13,6.02,7.09,13]pentadec-4-ene-10,12-dione .
user
C14H11Cl4NO4
assistant