Using Cc1ccc(S(=O)(=O)n2cc(C=O)c3cc(Br)cnc32)cc1, O=C(OO)c1cccc(Cl)c1 to produce Cc1ccc(S(=O)(=O)N2CC(=O)c3cc(Br)cnc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.