You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [1-[4-(6-chloro-2-phenylpyrido[2,3-b]pyrazin-3-yl)phenyl]cyclopropyl] N-benzylcarbamate by IUPAC nomenclature, provide its molecular formula.
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C30H23ClN4O2
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