Using CCOC(=O)c1cc2cc(Br)ccc2cc1O, CC(C)(C)OC(=O)NCCCCl to produce CCOC(=O)c1cc2cc(Br)ccc2cc1OCCCNC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.