Using O=[N+]([O-])O, COc1cc([N+](=O)[O-])ccc1C(=O)O to produce COc1c(C(=O)O)ccc([N+](=O)[O-])c1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.