You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2-methyl-1,3-thiazol-5-yl)-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)methanamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H13N5S
assistant