Using CCc1cnc(N2CCC([C@H]3C[C@H]3COCc3ccc(CC=O)cc3)CC2)nc1 to produce CCc1cnc(N2CCC([C@H]3C[C@H]3COCc3ccc(CCO)cc3)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.