Using O=N[O-], Nc1cc(=O)[nH]c(=O)n1Cc1ccc(Cl)cc1 to produce Nc1c(N=O)c(=O)[nH]c(=O)n1Cc1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.