Using NCc1ccccc1, CCCCOc1nccc2nc(OS(=O)(=O)C(F)(F)F)c3ccncc3c12 to produce CCCCOc1nccc2nc(NCc3ccccc3)c3ccncc3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.