Using O=C(O)CSc1ccc2ccccc2c1, CC(=O)OCC=CC1=C(C(=O)O)N2C(=O)[C@@H](N)[C@H]2SC1 to produce CC(=O)OC/C=C\C1=C(C(=O)O)N2C(=O)[C@@H](NC(=O)CSc3ccc4ccccc4c3)[C@H]2SC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.