You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule sodium;(3R,5S,6E)-9,9-bis(4-fluorophenyl)-3,5-dihydroxy-8-(2H-tetrazol-5-yl)nona-6,8-dienoate .
user
C22H19F2N4NaO4
assistant