You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl N'-[2-fluoro-4-[5-(3-fluorophenyl)-5-methyl-4H-1,2-oxazol-3-yl]benzoyl]carbamimidate into its molecular formula.
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C20H19F2N3O3
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