Using CI, COc1cc2c(cc1CC1COC(C)(C)O1)NC(=O)CC2 to produce COc1cc2c(cc1CC1COC(C)(C)O1)N(C)C(=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.