Using O=[N+]([O-])c1ccc(NC=C(S(=O)(=O)c2ccccc2)S(=O)(=O)c2ccccc2)nc1 to produce Nc1ccc(NC=C(S(=O)(=O)c2ccccc2)S(=O)(=O)c2ccccc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.