Using Oc1nnc(Cc2nc3ccc(Br)cc3s2)o1, Oc1nnc(Cc2nc3ccc(-c4ccccc4)cc3s2)o1 to produce O=C(c1nnc(O)o1)c1nc2ccc(-c3ccccc3)cc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.