Using COCOC1=C(C(=O)O)CC(C#N)(c2ccc(OC)c(OCC3CC3)c2)CC1, CN1CCOCC1 to produce COCOC1=C(C(N)=O)CC(C#N)(c2ccc(OC)c(OCC3CC3)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.