Using COC(=O)[C@H]1CC[C@H](NCc2ccc3c(c2)OCCO3)CC1 to produce OC[C@H]1CC[C@H](NCc2ccc3c(c2)OCCO3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.