Using O=c1cc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)nc2sccn12, COc1cccc(C=O)c1OCC1CC1 to produce COc1cccc(/C=C/c2cc(=O)n3ccsc3n2)c1OCC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.