Using O=C(O)c1cc(F)c(F)c(Cl)c1NC1CC1, CC(C)(C)OC(=O)NN to produce CC(C)(C)OC(=O)N(N)C(=O)c1cc(F)c(F)c(Cl)c1NC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.