You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[10-cyano-1-[2-(4-propan-2-yloxyphenyl)ethoxy]pyrido[1,2-a]indol-3-yl] N,N-dimethylcarbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27N3O4
assistant