Using CS(=O)(=O)c1cccc(C2CCNCC2)c1F, FC(F)(F)CCI to produce CS(=O)(=O)c1cccc(C2CCN(CCC(F)(F)F)CC2)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.