Using O/N=C/c1cc(OCc2ccccc2)ccc1Br, C=C(CC(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)CC1(C(=O)OC(C)(C)C)CC(c2cc(OCc3ccccc3)ccc2Br)=NO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.