Using CC(C)(C)OC(=O)N[C@@H](C(=O)O)c1ccccc1, Nc1ccccc1C(=O)O to produce CC(C)(C)OC(=O)N[C@@H](C(=O)Nc1ccccc1C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.