You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 13-acetyl-3-ethyl-9-(thiophen-3-ylmethyl)-3,9,13-triazadispiro[4.0.56.35]tetradecan-4-one;2,2,2-trifluoroacetic acid ?
user
C22H30F3N3O4S
assistant