Using O=C(C=CC(O)CO)OCc1ccccc1, CC(C)[C@H](NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)O to produce CC(C)[C@H](NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)OCC(O)C=CC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.