Using COc1cccc(C(=O)c2ccc3c(c2)OCCO3)c1, CCOP(=O)(CC#N)OCC to produce COc1cccc(C(=CC#N)c2ccc3c(c2)OCCO3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.