You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1aS,7bR)-N-[(3R)-7-(3,8-diazabicyclo[3.2.1]octan-3-yl)-3,4-dihydro-2H-chromen-3-yl]-1a-methyl-1,2,3,7b-tetrahydrocyclopropa[c][1,8]naphthyridine-6-carboxamide into its molecular formula.
user
C26H31N5O2
assistant