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 2-[(3R,4S)-3-hydroxy-4-[3-[[8-(4-methylsulfonylphenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]methyl]phenyl]piperidin-1-yl]acetamide .
user
C27H29N5O4S
assistant