You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-[3-(3-amino-4-chlorophenyl)sulfanyl-5-[(Z)-2-aminoethenyl]-1-ethyl-4-(3-methylbut-1-en-2-yl)pyrrol-2-yl]butanoic acid ?
user
C23H30ClN3O2S
assistant