Using CCOC(=O)C(C)P(=O)(OCC)OCC, O=Cc1cn(-c2cccnc2)c2ccccc12 to produce CCOC(=O)C(C)=Cc1cn(-c2cccnc2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.