You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2-[1-(furan-2-ylmethyl)tetrazol-5-yl]sulfanyl-1-[5-(furan-2-yl)-3-thiophen-2-yl-3,4-dihydropyrazol-2-yl]ethanone ?
user
C19H16N6O3S2
assistant