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 N-[4-(4-ethylphenyl)-1,3-thiazol-2-yl]-2-[[5-(methylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]acetamide .
user
C16H17N5OS3
assistant