You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 4-amino-5-N-[1-(tert-butylamino)-1-oxopropan-2-yl]-5-N-(2-ethylphenyl)-1,2-thiazole-3,5-dicarboxamide ?
user
C20H27N5O3S
assistant