Using CCCOc1c(OC)cc(C(C#N)(CCC(C#N)(C(=O)OCC)c2cc(OC)c(OC)c(OC)c2)C(=O)OCC)cc1SC to produce COc1cc(C(C#N)CCCC#N)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.