Using OCc1c(C(F)(F)F)ccn1-c1ccccc1, CCOC(=O)CCc1cc(F)c(O)c(F)c1 to produce CCOC(=O)CCc1cc(F)c(OCc2c(C(F)(F)F)ccn2-c2ccccc2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.