Using CC(=O)c1n[nH]c2ccc(OCc3ccccc3)cc12, COC(=O)CBr to produce COC(=O)Cn1nc(C(C)=O)c2cc(OCc3ccccc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.