Using COC(=O)CC(=O)OC, COC(=O)CCCc1cc(C)c(OC)c(C)c1C=CC(C)=O to produce COc1c(C)cc(CCCC(=O)O)c(C2CC(=O)C=C(O)C2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.