Using COC(=O)C1=Cc2cc(O)ccc2S(=O)(=O)CC1, CCOc1cccc(CCl)c1 to produce CCOc1cccc(COc2ccc3c(c2)C=C(C(=O)OC)CCS3(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.