You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,3-dimethyl-2-([1,2,4]triazolo[4,3-a]pyridin-3-ylsulfanylmethyl)butane-1-thiol is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H19N3S2
assistant