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 2,14,15-trioxa-1-aluminatetracyclo[7.5.2.14,12.06,11]heptadeca-4(17),5,7,9,11-pentaene-3,13,16-trione .
user
C13H5AlO6
assistant