You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl-[11-(butylcarbamoyl)-3-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-9-thia-2,3,5,7-tetrazatricyclo[6.4.1.04,13]trideca-1,4(13),5,7,11-pentaen-6-yl]carbamic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H35N7O4S
assistant