Using CC1(C)C(=O)NCCN1C(=O)C(Cc1ccccc1)N1C(=O)c2ccccc2C1=O to produce CC1(C)C(=O)NCCN1C(=O)C(N)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.