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 1-cyclopropyl-8-[(3R,5S)-3,5-dimethylpiperazin-1-yl]-7-fluoro-9-methyl-4-oxoquinolizine-3-carboxylic acid;hydrochloride .
user
C20H25ClFN3O3
assistant