Using CC(C)COC(=O)NN=Cc1ccc2[nH]cc(CCN(C)C)c2c1 to produce CC(C)COC(=O)NNCc1ccc2[nH]cc(CCN(C)C)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.