Using OB(O)c1ccc(Cl)cc1, CNC(=O)c1sc(N2CCOCC2)c(C#N)c1I to produce CNC(=O)c1sc(N2CCOCC2)c(C#N)c1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.