You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(E)-[3-bromo-5-ethoxy-4-[(3-methoxy-4-phenylmethoxyphenyl)methoxy]phenyl]methylideneamino]-3-nitrobenzamide into molecular formula.
user
C31H28BrN3O7
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