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 [4-(2-fluorophenyl)piperazin-1-yl]-[4-[(5-methyl-1,2-oxazol-3-yl)amino]pyridin-2-yl]methanone is given. What is its corresponding molecular formula?
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C20H20FN5O2
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