Using O=[N+]([O-])c1ccc(CS(=O)(=O)CCO)cc1CS(=O)(=O)CCO to produce Nc1ccc(CS(=O)(=O)CCO)cc1CS(=O)(=O)CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.