Using CI, COc1ccc(N2CCOCC2)c2sc(-c3nc4ccccc4[nH]3)nc12 to produce COc1ccc(N2CCOCC2)c2sc(-c3nc4ccccc4n3C)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.