Using Nc1cccc(-c2cn3ccccc3n2)c1, O=C(O)c1cc2cc(Br)ccc2oc1=O to produce O=C(Nc1cccc(-c2cn3ccccc3n2)c1)c1cc2cc(Br)ccc2oc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.