Using CCOP(=S)(Cl)OCC, NCc1cccc(-c2nc(=O)c3ccccc3s2)n1 to produce CCOP(=S)(NCc1cccc(-c2nc(=O)c3ccccc3s2)n1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.