You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-(4-tert-butylphenyl)-N-[3-cyano-6-(2-methylbutan-2-yl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]prop-2-enamide into its molecular formula.
user
C27H34N2OS
assistant