You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[3-(4-fluoro-3-methylphenyl)-1,2,4-oxadiazol-5-yl]-N-[(3-fluorophenyl)methyl]-N-methylethanamine .
user
C19H19F2N3O
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