You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-(2-ethylhexyl)-7-(4-nonyl-1,3-thiazol-5-yl)benzotriazol-4-yl]-4-nonyl-1,3-thiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H59N5S2
assistant