Using Clc1cccc(CBr)c1Cl, COC(=O)c1cc(N2CCOCC2)cc2nc(C(F)F)[nH]c12 to produce COC(=O)c1cc(N2CCOCC2)cc2c1nc(C(F)F)n2Cc1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.