You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [4-[(E,1R)-3-hydroxy-1-thiophen-3-ylprop-2-enyl]piperazin-1-yl]-[5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-3-yl]methanone ?
user
C27H26F3N5O3S
assistant