Using CCOC(=O)CNN, COc1ccc(CC=Cc2ccc(Br)cc2)cc1 to produce CCOC(=O)CN1N=C(c2ccc(OC)cc2)CC1c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.