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 (1S,9S)-7-butyl-12-[(2,6-dichlorophenyl)methylsulfanyl]-10-thia-8,13,15-triazatetracyclo[7.7.0.02,6.011,16]hexadeca-2(6),7,11(16),12,14-pentaene .
user
C23H23Cl2N3S2
assistant