Using COc1cc2ncnc(Nc3ccc(F)c(Cl)c3F)c2cc1O[C@H]1CCN(C(=O)/C=C/CBr)C1, CNC to produce COc1cc2ncnc(Nc3ccc(F)c(Cl)c3F)c2cc1O[C@H]1CCN(C(=O)/C=C/CN(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.