Using CCOC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1, Cc1ncc(CO)c(C=O)c1O to produce CCOC(=O)C=Cc1c(CO)cnc(C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.