Using O=C(C(=O)c1ccco1)c1ccc(O)cc1, COc1cc2nccc(Cl)c2cc1OC to produce COc1cc2nccc(Oc3ccc(C(=O)C(=O)c4ccco4)cc3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.