Using CCn1c(-c2nonc2N)nc2c(C#CC(C)(C)O)ncc(OC[C@@H]3CNCCO3)c21, CC=O to produce CCN1CCO[C@H](COc2cnc(C#CC(C)(C)O)c3nc(-c4nonc4N)n(CC)c23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.