You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-N-[4-[1-tert-butyl-5-[4-[4-(N-phenylanilino)-N-pyridin-2-ylanilino]phenyl]pyrrol-2-yl]phenyl]-1-N-cyclohexa-1,5-dien-1-yl-1-N-phenyl-4-N-pyridin-2-ylbenzene-1,4-diamine into molecular formula.
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C66H57N7
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