You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-(4-chlorophenyl)-1-methyl-5,6-dihydrotriazolo[1,5-d][1,4]benzodiazepine-9-carboxylic acid;1-[7-(4-chlorophenyl)-1-methyl-5,6-dihydrotriazolo[1,5-d][1,4]benzodiazepin-9-yl]-2-methoxyethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H34Cl2N8O4
assistant