Using COc1cc2ccc(C(O)(c3cn(COCc4ccccc4)cn3)C(C)C)cc2cc1OC to produce COc1cc2ccc([C@](O)(c3c[nH]cn3)C(C)C)cc2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.