Using C[C@@H]1CCCN1CCc1ccc(-c2ccc(CCC(=O)O)cc2)cc1, CC(C)(C)OC(=O)C(C)(C)N to produce C[C@@H]1CCCN1CCc1ccc(-c2ccc(CCC(=O)NC(C)(C)C(=O)OC(C)(C)C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.