You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-(6-fluoro-1H-benzimidazol-2-yl)ethyl]-2-[4-methyl-2-(naphthalen-1-ylmethyl)-1,3-thiazol-5-yl]acetamide into its molecular formula.
user
C26H23FN4OS
assistant