Using NS(=O)(=O)c1ccc(OCC2(F)CCNCC2)c(Cl)c1, O=C1COC1 to produce NS(=O)(=O)c1ccc(OCC2(F)CCN(C3COC3)CC2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.