Using COCCBr, Cc1ccc(NC(=O)c2ccc(C#N)cc2)cc1NC(=O)c1ccc(O)cc1 to produce COCCOc1ccc(C(=O)Nc2cc(NC(=O)c3ccc(C#N)cc3)ccc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.