Using COC(=O)C1(c2ncnc3cc(F)c(F)cc23)CCN(C(=O)OC(C)(C)C)CC1 to produce CC(C)(C)OC(=O)N1CCC(c2ncnc3cc(F)c(F)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.