Using CCS(=O)(=O)N1CCC(c2c[nH]c3c(C(N)=O)cc(Br)cc23)CC1, O=Cc1cccc(B(O)O)c1 to produce CCS(=O)(=O)N1CCC(c2c[nH]c3c(C(N)=O)cc(-c4cccc(C=O)c4)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.