Using CC(=O)C1CC1, CCC[C@H](N)C(=O)Nc1ncc(C(C)C)s1 to produce CCC[C@H](NC(C)C1CC1)C(=O)Nc1ncc(C(C)C)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.