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 ethane;methyl 2-(methylamino)acetate;N-methyl-N-[(2-propan-2-yl-1,3-thiazol-4-yl)methyl]formamide;propane .
user
C20H43N3O3S
assistant