Using COC(=O)C(Br)c1ccccc1, O=Cc1c[nH]c(-c2ccccc2)n1 to produce COC(=O)C(c1ccccc1)n1cc(C=O)nc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.