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-[3-[(4-hydroxyphenyl)methyl]-2-oxoimidazolidin-1-yl]-4-methyl-N-(pyridin-3-ylmethyl)-1,3-thiazole-5-carboxamide ?
user
C21H21N5O3S
assistant