Using CC(C)(C)OC(=O)N1Cc2ccccc2C(N)C1, CC(C)C=O to produce CC(C)CNC1CN(C(=O)OC(C)(C)C)Cc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.