You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-chloro-N-[2-[[3-methyl-4-(2-methyldiazinan-1-yl)phenyl]carbamoyl]-2-bicyclo[2.2.1]heptanyl]thiophene-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C25H31ClN4O2S
assistant