You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-(2,3-dihydro-1-benzofuran-5-carbonyl)-12-(2-methoxyethyl)-20-methyl-3,7,12,15,20,21-hexazatricyclo[14.5.2.019,22]tricosa-1(21),19(22)-diene-2,11,14-trione is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H40N6O6
assistant