You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N,3-N-bis[4-chloro-2-(1-phenylethyl)phenyl]butane-2,3-diimine;dibromonickel The above is the IUPAC name of a molecule. Write its molecular formula.
user
C32H30Br2Cl2N2Ni
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