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-(2-chlorophenoxy)-N-[5-ethyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1,3,4-thiadiazol-2-ylidene]acetamide .
user
C26H22ClN7O2S
assistant