Using COc1ccc2c(Oc3ccc(C=O)cc3)c(-c3ccccc3)c(C)cc2c1, CCOC(=O)C(C)P(=O)(OCC)OCC to produce CCOC(=O)C(C)=Cc1ccc(Oc2c(-c3ccccc3)c(C)cc3cc(OC)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.