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 (2R)-N,N-dimethyl-1-[3-[[(E)-3-pyridin-4-ylprop-2-enoyl]amino]propyl]pyrrolidine-2-carboxamide .
user
C18H26N4O2
assistant