Using O=C(O)CCCCS(=O)(=O)CC(=O)c1ccc(-c2ccccc2)cc1, NO to produce O=C(CCCCS(=O)(=O)CC(=O)c1ccc(-c2ccccc2)cc1)NO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.