You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(4-fluorophenyl)-5-[5-[(2,4,6-trichlorophenoxy)methyl]furan-2-yl]-1,2,4-oxadiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H10Cl3FN2O3
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