You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (12S)-7-chloro-8-(2,4-difluorophenyl)-4-[(2S,5R)-2,5-dimethyl-4-prop-2-enoylpiperazin-1-yl]-12-[[(3R)-1-methylpyrrolidin-3-yl]oxymethyl]-10-oxa-1,3-diazatricyclo[7.3.1.05,13]trideca-3,5,7,9(13)-tetraen-2-one ?
user
C31H34ClF2N5O4
assistant