Using CC(C)(C)OC(=O)N1CCC(N)CC1, C[C@@H](OCc1ccccc1)C(=O)O to produce C[C@@H](OCc1ccccc1)C(=O)NC1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.