Using O=C1Cc2nc(Br)ccc2N1, [O-][n+]1cc(CN2CCOCC2)ccc1Cl to produce [O-][n+]1cc(CN2CCOCC2)ccc1-c1c(O)[nH]c2ccc(Br)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.