You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[5-(2-methylphenyl)-1,3,4-oxadiazol-2-yl]-N-[4-[(3-methylpiperidin-1-yl)methyl]-1,3-thiazol-2-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H27N5O2S
assistant