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 3-[(4-chloro-2,5-difluorophenyl)methoxy]-5-[4-[ethyl(2-hydroxyethyl)amino]butylcarbamoylamino]-1,2-thiazole-4-carboxamide .
user
C20H26ClF2N5O4S
assistant