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 4-[(3S)-1-[5-(imidazol-1-ylmethyl)furan-2-carbonyl]piperidin-3-yl]-2-methyl-1H-pyrimidin-6-one ?
user
C19H21N5O3
assistant