You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[[6-[(4-ethylphenyl)carbamoylamino]-1,3-benzothiazol-2-yl]sulfanyl]-N-(4-fluorophenyl)acetamide ?
user
C24H21FN4O2S2
assistant