You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-butan-2-yl-1-(2,3-difluorophenyl)-N'-(2-methoxyethyl)-N-methylethane-1,2-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H26F2N2O
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