Using Cc1ccc(-c2ccc(C=O)s2)s1, CCOP(=O)(Cc1ccc(Cl)cc1)OCC to produce Cc1ccc(-c2ccc(C=Cc3ccc(Cl)cc3)s2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.