Using O=C(Cl)c1cccc([N+](=O)[O-])c1, COc1ccccc1OC to produce COc1ccc(C(=O)c2cccc([N+](=O)[O-])c2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.