Using CCN1CCc2sc(-c3cnc(F)c(-c4cc(-c5cnn(C)c5)ncc4N)c3)cc2C1 to produce CCN1CCc2sc(-c3cnc4[nH]c5cnc(-c6cnn(C)c6)cc5c4c3)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.