Using Nc1ccccc1, CCOC(=O)c1ccc2c(c1)C(C)(C)CC(c1cccc(C(=O)O)c1)N2 to produce CCOC(=O)c1ccc2c(c1)C(C)(C)CC(c1cccc(C(=O)Nc3ccccc3)c1)N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.