Using CC(C)(C)OC(=O)N1CC(=O)C1, COC(=O)c1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)c(Cl)c1 to produce COC(=O)c1ccc(C=C2CN(C(=O)OC(C)(C)C)C2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.