Using COc1ccc(C(C)=O)cc1, COC(=O)c1cccc(OC)c1OC to produce COc1ccc(C(=O)CC(=O)c2cccc(OC)c2OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.