Using O=Cc1ccc(Cl)cc1[N+](=O)[O-], CCOC(=O)CC(=O)OCC to produce CCOC(=O)c1cc2ccc(Cl)cc2[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.