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-benzyl-2-[[5-[6-(carboxymethylamino)-2-chloropurin-9-yl]-3-ethynyloxolan-2-yl]methoxy]propanedioic acid ?
user
C24H22ClN5O8
assistant