Using c1ccc2c(c1)CNC2, O=C(O)c1cc(Br)c2cccnc2c1O to produce O=C(c1cc(Br)c2cccnc2c1O)N1Cc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.