Using O=[N+]([O-])c1cccc(CN(Cc2cccc([N+](=O)[O-])c2)c2ccc(S(=O)(=O)[O-])cc2)c1 to produce O=[N+]([O-])c1cccc(CN(Cc2cccc([N+](=O)[O-])c2)c2ccc(S(=O)(=O)O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.