Using C=CCOC(=O)CC(=O)OCC=C, ClCc1ccc2ccc3cccc4ccc1c2c34 to produce C=CCOC(=O)C(Cc1ccc2ccc3cccc4ccc1c2c34)(Cc1ccc2ccc3cccc4ccc1c2c34)C(=O)OCC=C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.