Using C=C1C[C@@](N)(C(=O)OCC)[C@H]2[C@@H]1[C@@H]2C(=O)OCC, O=C(Cl)OCC1c2ccccc2-c2ccccc21 to produce C=C1C[C@@](NC(=O)OCC2c3ccccc3-c3ccccc32)(C(=O)OCC)[C@H]2[C@@H]1[C@@H]2C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.