You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[[4-[2-[methyl(prop-2-ynyl)amino]-2-oxoethyl]piperidin-3-yl]methyl]-1,2-oxazole-5-carboxylic acid .
user
C16H21N3O4
assistant