Using COC(=O)c1cccc(NC(=O)[C@H](C)NC(=O)OC(C)(C)C)c1NC1CC1 to produce COC(=O)c1cccc2nc([C@H](C)N)n(C3CC3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.