Using CCCCOc1nc(C(F)(F)F)ccc1C=CC(=O)NCc1ccc(NS(C)(=O)=O)c(F)c1 to produce CCCCOc1nc(C(F)(F)F)ccc1CCC(=O)NCc1ccc(NS(C)(=O)=O)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.