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 5-[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-3-(3-methylsulfanylphenyl)-6-phenyl-1,6-dihydropyrimidin-2-one is given. What is its corresponding molecular formula?
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C26H21ClN4O2S
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