Using COc1ccc([C@H](C)N2CCC(C)(c3ccc(C=O)cc3)OC2=O)cc1 to produce COc1ccc([C@H](C)N2CC[C@@](C)(c3ccc(CO)cc3)OC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.