Using COc1cnc(C=O)cc1OC1CCCC1, Cc1c(Cl)cncc1Cl to produce COc1cnc(C(O)Cc2c(Cl)cncc2Cl)cc1OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.