You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-bromo-4-[2-(2-ethylhexyl)thieno[3,2-b]thiophen-5-yl]-[1,2,5]thiadiazolo[3,4-c]pyridine;4,7-dibromo-[1,2,5]thiadiazolo[3,4-c]pyridine;5-(2-ethylhexyl)thieno[3,2-b]thiophene is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H41Br3N6S6
assistant