You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[(2R)-3-(dimethylamino)-2-[9H-fluoren-9-ylmethoxycarbonyl(methyl)amino]-3-oxopropyl]sulfanylacetic acid ?
user
C23H26N2O5S
assistant