Using COc1ccc2c(c1)[nH]c1ccc3c(c12)CCC3=O, CC(=O)Cl to produce COc1cc2[nH]c3ccc4c(c3c2cc1C(C)=O)CCC4=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.