You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[(12R)-12-ethyl-12-methyl-5-propylsulfanyl-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2,4,6-tetraen-3-yl]furan-2-carbohydrazide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H24N4O3S2
assistant