Using COC(=O)C(NC(=O)OCc1ccccc1)P(=O)(OC)OC, O=C1CCC2(CC1)OCCO2 to produce COC(=O)C(NC(=O)OCc1ccccc1)=C1CCC2(CC1)OCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.