Using CI, COC(=O)c1ccc(F)cc1Oc1ccc(NC(=O)OC(C)(C)C)nc1 to produce COC(=O)c1ccc(F)cc1Oc1ccc(N(C)C(=O)OC(C)(C)C)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.