Using Cc1nc2c(Br)cc(N3CCOCC3)cc2[nH]1, Clc1ccccc1CBr to produce Cc1nc2c(Br)cc(N3CCOCC3)cc2n1Cc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.