Using O=C(O)CC1NC(=O)c2ccccc21, BrCc1ccccc1 to produce O=C(CC1c2ccccc2C(=O)N1Cc1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.