You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(2R)-2-(2,3-dihydro-1-benzofuran-5-yl)-2-(dimethylamino)ethyl]-3-(4-fluorophenyl)urea into its molecular formula.
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C19H22FN3O2
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