Using ClC(Cl)(Cl)Cl, CCOC(OCC)(OCC)c1ccc2c(-c3ccnc(NC4CCCC4)n3)c(-c3ccc(F)cc3)nn2c1 to produce CCOC(OCC)(OCC)c1ccc2c(-c3ccnc(NC4CCCC4)n3)c(-c3ccc(F)cc3)nn2c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.