You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [3-[[3-(6-amino-2-butoxy-8-oxo-7H-purin-9-yl)propyl-[2-(methanesulfonamido)acetyl]amino]methyl]phenyl] propanoate ?
user
C25H35N7O7S
assistant