You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-ethyl-8-methyl-6-[4-(2-oxoethyl)piperazin-1-yl]imidazo[1,2-a]pyridin-3-yl]-methylamino]-4-(4-fluorophenyl)-1,3-thiazole-5-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H28FN7OS
assistant