Using Nc1cnc2ccccc2c1, CC(C)(C)OC(=O)Nc1ccc(C(=O)O)cc1 to produce CC(C)(C)OC(=O)Nc1ccc(C(=O)Nc2cnc3ccccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.