You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2-hydroxy-5-methylphenyl)-[3-[1-(1,3-thiazol-4-ylmethyl)imidazol-2-yl]piperidin-1-yl]methanone into its molecular formula.
user
C20H22N4O2S
assistant