You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[7-amino-4-(furan-2-yl)-3,5,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaen-10-yl]-N-methyl-2-phenylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H16N8O2
assistant