You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E,4Z)-3-(4-chlorophenyl)-2-isocyano-4-[(2Z)-2-[3-[2-(4-methylphenyl)ethyl]-1,3-benzoxazol-2-ylidene]ethylidene]pent-2-enedinitrile into its molecular formula.
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C30H21ClN4O
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