You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[1-ethyl-6-[(2-methoxyphenyl)methyl]-3-methyl-7-oxopyrazolo[4,3-d]pyrimidin-5-yl]sulfanyl-N-[(4-fluorophenyl)methyl]acetamide ?
user
C25H26FN5O3S
assistant