Using CN1CCC2(CC1)c1ccccc1Oc1ccccc12, O=C1CCC(=O)N1Cl to produce CN1CCC2(CC1)c1cc(Cl)ccc1Oc1ccc(Cl)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.