Using CI, S=C1N[C@H](c2ccccc2)[C@H](c2ccccc2)N1 to produce CSC1=N[C@@H](c2ccccc2)[C@@H](c2ccccc2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.