Using CC(C)(C)c1cccc(N)c1, O=C(O)c1c[nH]c2ccccc2c1=O to produce CC(C)(C)c1cccc(NC(=O)c2c[nH]c3ccccc3c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.