You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[(E)-3-[3-[[(6aS)-2-methoxy-8-(4-methoxyphenyl)-11-oxo-6a,7-dihydropyrrolo[2,1-c][1,4]benzodiazepin-3-yl]oxy]propoxy]-4-methoxybut-2-enyl]iminomethyl]-4-[3-(methylamino)prop-1-ynyl]-2,3-dihydropyrrole-1-carbaldehyde is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H43N5O7
assistant