You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-[(3R)-1-(cyanomethyl)piperidin-3-yl]pyrimidin-2-yl]amino]-N-(furan-2-ylmethyl)-1,3-thiazole-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H21N7O2S
assistant