Using CC(C)c1onc(COC(C)(C)C)c1CO, COC(=O)c1ccc2cc(-c3ccc(O)cc3)ccc2n1 to produce COC(=O)c1ccc2cc(-c3ccc(OCc4c(CO)noc4C(C)C)cc3)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.