You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[2-[4-[6-(4-fluorophenyl)pyridazin-3-yl]piperazin-1-yl]-2-oxoethyl]-N-(1-phenylethyl)benzamide is given. What is its corresponding molecular formula?
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C31H30FN5O2
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