You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1S,3S,10R,11S)-16-(4-chlorophenyl)-13-[(2R,3S)-1-hydroxy-3-methylpentan-2-yl]-3-methyl-8-oxa-2-thia-13,16-diazatetracyclo[9.8.0.01,14.03,10]nonadeca-4,18-diene-9,12,15-trione into molecular formula.
user
C28H33ClN2O5S
assistant