Using C[O-], COCC(C#N)=Cc1cc(OC)c(OC)c2c1C=CCO2 to produce COc1cc(CC(C#N)C(OC)OC)c2c(c1OC)OCC=C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.