Using CCOC(=O)CNC1Cc2ccccc2C1, CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce CCOC(=O)CN(C(=O)[C@@H](NC(=O)OCc1ccccc1)C(C)C)C1Cc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.