Using COC(Cl)Cl, CCOC(=O)c1ccc2c(c1)C(C)(C)CC(C)(C)O2 to produce CCOC(=O)c1cc(C=O)c2c(c1)C(C)(C)CC(C)(C)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.