Using CCOC(C)=O, CC(C)(C)OC(=O)N1CCC(C(=O)Cc2ccccc2Br)CC1 to produce CC(C)(C)OC(=O)N1CCC(C(=O)Cc2ccccc2-c2cccnc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.