Using CNC(=O)C1CC(O)CCN1CCn1c(=O)cnc2ccc(OC)cc21 to produce CNC(=O)C1CC(=O)CCN1CCn1c(=O)cnc2ccc(OC)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.