Using NCc1ccccc1O, COC=C1C(=O)NC(=O)c2ccc(Br)cc21 to produce O=C1NC(=O)c2ccc(Br)cc2/C1=C/NCc1ccccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.