Using CCOC(=O)C(=Cc1ccc(OCc2ccccc2)cc1OC)C(=O)OCC, [C-]#N to produce COc1cc(OCc2ccccc2)ccc1C(C#N)CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.