Using CCOC(=O)CN, CC(C)CC(OC[C@@H]1CCCN1C(=O)OCc1ccccc1)C(=O)O to produce CCOC(=O)CNC(=O)C(CC(C)C)OC[C@@H]1CCCN1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.