Using Cc1sc(C)c(C=O)c1C, CCOC(=O)C=C(C)C=CC=C(C)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce CCOC(=O)C=C(C)C=CC=C(C)C=Cc1c(C)sc(C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.