You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (1S,2R,5E,7R,11S,13R,14S,18S)-9-amino-5-hydroxyimino-2,18-dimethyl-10-thia-8-azapentacyclo[11.7.0.02,7.07,11.014,18]icos-8-en-17-one using the IUPAC nomenclature.
user
C20H29N3O2S
assistant