Using COC(=O)C(Br)CC1CCCC1, O=c1ccc(Oc2ccccc2)n[nH]1 to produce COC(=O)C(CC1CCCC1)n1nc(Oc2ccccc2)ccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.