Using COc1c(C=O)cnc2c1ccn2COCC[Si](C)(C)C, C[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce C=Cc1cnc2c(ccn2COCC[Si](C)(C)C)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.