Using CS(=O)(=O)c1ccc(-c2cc(C(F)(F)F)nc(S(C)(=O)=O)n2)cc1, CCCCO to produce CCCCOc1nc(-c2ccc(S(C)(=O)=O)cc2)cc(C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.