Using Brc1cccc(-c2ccc(OCc3ccccc3)cc2)c1, O=C1Nc2ccccc2C1=O to produce O=C1C(=O)N(c2cccc(-c3ccc(OCc4ccccc4)cc3)c2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.