Using CC1(C)OC[C@@H](CCl)O1, COC(=O)c1cccc(O)c1 to produce COC(=O)c1cccc(OC[C@@H]2COC(C)(C)O2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.