Using CC(C)(C)OC(=O)N1CC(C(=O)O)C1, CCC(=O)CCCCCC(N)c1ncc(-c2cc3ccccc3n(C)c2=O)o1 to produce CCC(=O)CCCCC[C@H](NC(=O)C1CN(C(=O)OC(C)(C)C)C1)c1ncc(-c2cc3ccccc3n(C)c2=O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.