Using Cc1ccc(C(=O)NC2CC2)cc1-n1ccc2ccc(O)cc2c1=O, ClCCBr to produce Cc1ccc(C(=O)NC2CC2)cc1-n1ccc2ccc(OCCCl)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.