Using CN(CC(=O)[O-])C(=O)OCc1ccccc1, CC(C)(C)OC(=O)N1CC(N)C1 to produce CN(CC(=O)NC1CN(C(=O)OC(C)(C)C)C1)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.