Using CCSc1nc(N2CCOCC2)cc(C(F)(F)F)c1C(=O)O, NCc1cccc(F)c1 to produce CCSc1nc(N2CCOCC2)cc(C(F)(F)F)c1C(=O)NCc1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.