You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[(2S)-1-[(2S)-2-methyl-2,3-dihydroindol-1-yl]-1-oxopropan-2-yl]sulfanyl-3-phenylquinazolin-4-one .
user
C26H23N3O2S
assistant