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 1-methyl-N-[2-(5-methylfuran-2-yl)ethyl]-5-[(2-phenylacetyl)amino]pyrazole-3-carboxamide ?
user
C20H22N4O3
assistant