You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[5-(3-piperidin-1-ylphenyl)sulfonylpyridin-2-yl]methyl]imidazo[1,2-a]pyridine-6-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H25N5O3S
assistant