Using COC1(NC(=O)C(N=[N+]=[N-])c2ccccc2)CN(S(=O)(=O)O)C1=O to produce COC1(NC(=O)C(N)c2ccccc2)CN(S(=O)(=O)O)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.