Using CC(C)(C)OC(=O)NCC(O)c1ccccc1C(F)(F)F, O=C=NS(=O)(=O)Cl to produce NCC(OC(N)=O)c1ccccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.