You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[[4-[6-[(4-methylpiperazin-1-yl)methyl]-1,4-dihydroindeno[1,2-c]pyrazol-3-yl]thiophen-2-yl]methyl]benzenesulfonamide .
user
C27H29N5O2S2
assistant