Using COC(=O)CC(=O)OC, COC(=O)c1cccc([N+](=O)[O-])c1Cl to produce COC(=O)c1cccc([N+](=O)[O-])c1C(C(=O)OC)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.