Using O=S(=O)(F)C(F)(F)C(F)(F)S(=O)(=O)c1ccccc1, NCc1ccccc1 to produce O=S(=O)(NCc1ccccc1)C(F)(F)C(F)(F)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.