Using CCOC(=O)c1ccc(C(N)=S)cc1, O=C(CBr)c1cccnc1 to produce CCOC(=O)c1ccc(-c2nc(-c3cccnc3)cs2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.