Using O=C(NS(=O)(=O)c1ccccc1)c1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(C(=O)NS(=O)(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.