You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[3-bromo-5-ethoxy-4-[(2,4,5-trimethylphenyl)methoxy]phenyl]-2-[(2-chlorophenyl)methylsulfanyl]-5,6,7,9-tetrahydro-4H-[1,2,4]triazolo[5,1-b]quinazolin-8-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H34BrClN4O3S
assistant