You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-methyl-N-(3-methyl-2-morpholin-4-ylbutyl)-2-pyridin-2-yl-1,3-thiazole-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26N4O2S
assistant