Using COC(=O)c1cc(C(C)=O)c(C2CCC2)cc1C, CCC(=O)Cl to produce CCC(=O)CC(=O)c1cc(C(=O)OC)c(C)cc1C1CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.