You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-4-[5-[(2-bromophenoxy)methyl]-2,4-dimethylphenyl]-1-(4-ethylphenyl)-5-oxo-4,6,7,8-tetrahydroquinoline-3-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H32BrN3O2
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