You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R)-4-[5-[4-(3-hydroxythietan-3-yl)buta-1,3-diynyl]indazol-2-yl]-2-methyl-2-methylsulfonyl-N-(oxan-2-yloxy)butanamide .
user
C25H29N3O6S2
assistant