Using O=C(n1ccnc1)n1ccnc1, Cc1ccc(C(=O)O)cc1-n1c(C)cc(O)c(Br)c1=O to produce CNC(=O)c1ccc(C)c(-n2c(C)cc(O)c(Br)c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.