Using CNC(=O)c1ccc2cc(Br)ccc2c1, O=C1CCn2cncc21 to produce CNC(=O)c1ccc2cc(C3(O)CCn4cncc43)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.