You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[2-[2-(2-methoxyphenyl)ethylamino]-6-methylpyrimidin-4-yl]amino]-4-methyl-N-(thiophen-2-ylmethyl)pentanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H33N5O2S
assistant