Using Cc1nn(C)c(O)c1C(=O)c1ccc(Cl)cc1Cl, CN(CCBr)c1ccccc1 to produce Cc1nn(C)c(OCCN(C)c2ccccc2)c1C(=O)c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.