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 1-ethyl-6-(4-ethylpiperazin-1-yl)-4-methyl-5-[[3-(2-methylpropyl)-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-2-oxopyridine-3-carbonitrile .
user
C23H31N5O2S2
assistant