You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-morpholin-4-ylsulfonylphenyl)-2-[(5-thiophen-2-yl-1H-1,2,4-triazol-3-yl)sulfanyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H19N5O4S3
assistant