Using COC(=O)c1ccc(O)c(C(C)=O)c1, COC(=O)c1ccccc1OC(C)C to produce COC(=O)c1ccc(O)c(C(=O)CC(=O)c2ccccc2OC(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.