Using Oc1ccc(OCCCN2CCCCC2)cc1Br, CCC(=O)c1ccc(Cl)cc1 to produce CCC(O)(c1ccc(Cl)cc1)c1ccc(OCCCN2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.