Using CC(F)(F)CN(CCO)C(=O)c1nn(-c2ccccc2Cl)c(-c2ccc(Cl)cc2)c1O to produce CC(F)(F)CN1CCOc2c(nn(-c3ccccc3Cl)c2-c2ccc(Cl)cc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.