Using CC(=O)Oc1cc(OC(C)=O)cc(OC(C)=O)c1, ClCc1ccccc1 to produce CC(=O)Oc1cc(OCc2ccccc2)cc(OC(C)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.