You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-ethyl-5-morpholin-4-yl-1,2,4-triazol-3-yl)sulfanyl]-N-[(2R)-pentan-2-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H27N5O2S
assistant