Using CI, COc1ccc2oc(-c3ccc(NC(=O)OC(C)(C)C)nc3F)cc2c1 to produce COc1ccc2oc(-c3ccc(N(C)C(=O)OC(C)(C)C)nc3F)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.