You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (8Z)-4-amino-25,28-dichloro-8-ethoxyimino-13-oxa-3,5,20,23-tetrazatricyclo[22.2.2.29,12]triaconta-1(26),3,9,11,24,27,29-heptaene-6,22-dione is given. What is its corresponding molecular formula?
user
C27H34Cl2N6O4
assistant