Using COc1cccc2oc(C(=O)OC(C)(C)C)c(C)c12, CC(=O)Cl to produce COc1c(C(C)=O)ccc2oc(C(=O)O)c(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.