Using CCO, NS(=O)(=O)c1ccc(NC(=O)CNc2ccccc2)cc1C(F)(F)F to produce NS(=O)(=O)c1ccc(N2CN(c3ccccc3)CC2=O)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.