Using O=C(CBr)c1ccc(OC(=O)c2ccccc2)cc1, COc1ccc(N)nc1 to produce COc1ccc2nc(-c3ccc(OC(=O)c4ccccc4)cc3)cn2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.