Using COc1ccc2cc([C@H](C)C(=O)O)ccc2c1, CC1(C)OC[C@](C)(CO)O1 to produce COc1ccc2cc([C@H](C)C(=O)OC[C@@]3(C)COC(C)(C)O3)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.