Using CC#N, COC(=O)c1ccc(CCc2cc(OC)c(OC)c(OC)c2)cc1 to produce COc1cc(CCc2ccc(C(=O)CC#N)cc2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.