Using COCCBr, CC(C)(C)c1ccc(/C=C/C(=O)Nc2ccc3cc[nH]c3c2)cc1 to produce COCCn1ccc2ccc(NC(=O)/C=C/c3ccc(C(C)(C)C)cc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.