You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (E)-N-(2-hydroxyethyl)-3-(1-phenylpyrazol-4-yl)-N-(pyridin-3-ylmethyl)prop-2-enamide using the IUPAC nomenclature.
user
C20H20N4O2
assistant