You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[(2S)-butan-2-yl]-[2-(4-methoxyphenyl)acetyl]amino]-N-[5-(3-methoxyphenyl)-1,3,4-thiadiazol-2-yl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H30N4O4S
assistant