Using CC(=O)O, CCc1ccc(O)c(C(=O)c2ccc(Cl)cc2)c1 to produce CCc1ccc(OC(C)=O)c(C(=O)c2ccc(Cl)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.