You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-3-[[2-[4-[(2R,4S,6R)-4-[4-(hydroxymethyl)phenyl]-6-[(1-methylimidazol-2-yl)sulfanylmethyl]-1,3-dioxan-2-yl]phenyl]phenyl]methyl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H36N4O4S
assistant