You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-ethynyl-1-[5-(methoxymethyl)-1-prop-2-enoylpyrrolidin-3-yl]-5-(methylamino)pyrazole-4-carboxamide ?
user
C16H21N5O3
assistant