You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-3-(3,4-dimethoxyphenyl)-1-[4-[[4-(4-fluorophenyl)-1,3-thiazol-2-yl]methyl]piperazin-1-yl]prop-2-en-1-one;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C25H27ClFN3O3S
assistant