Using CCCBr, CC(C)(C)OC(=O)NCc1ccc(-c2cccc(O)c2)cc1 to produce CCCOc1cccc(-c2ccc(CNC(=O)OC(C)(C)C)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.