You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(dibutylamino)-1-[1-(dimethylsulfamoyl)indol-3-yl]-3-oxoprop-1-en-2-yl]-4-methoxybenzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H38N4O5S
assistant