Using CCOP(=O)(CP(=O)(OCC)OCC)OCC, O=Cc1ccc(OCc2ccccc2)cc1 to produce CCOP(=O)(/C=C/c1ccc(OCc2ccccc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.