Using CC(=O)OCc1ccc2c3c1ccn3C(=O)[C@H](C1CN3CCC1CC3)NC2 to produce Cc1ccc2c3c1ccn3C(=O)[C@H](C1CN3CCC1CC3)NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.