Using C=CN1C(=O)c2ccccc2C1=O, COC(=O)c1cc(OC(C)C)ncc1Br to produce COC(=O)c1cc(OC(C)C)ncc1/C=C/N1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.