You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[2-ethoxypropyl(methyl)amino]methyl]-6-N-([1,3]thiazolo[5,4-b]pyridin-2-yl)pyridine-2,6-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H24N6OS
assistant