Using COC(=O)c1ccc(C)c(-n2ccc3ccc(O)cc3c2=O)c1, O=S(=O)(Nc1ccccc1)C(F)(F)F to produce COC(=O)c1ccc(C)c(-n2ccc3ccc(OS(=O)(=O)C(F)(F)F)cc3c2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.