Using COc1cc2sc(C(=O)O)c(Cl)c2c([N+](=O)[O-])c1O to produce O=C(O)c1sc2cc(O)c(O)c([N+](=O)[O-])c2c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.