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 2-[6-phenyl-4,4-bis(trifluoromethyl)-1,3,5-oxadiazin-2-yl]guanidine is given. What is its corresponding molecular formula?
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C12H9F6N5O
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