Using CC#N, COC(=O)c1cc(OC(C)c2ccccc2Cl)c(C(=O)OC)s1 to produce COC(=O)c1sc(C(=O)CC#N)cc1OC(C)c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.