You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[3-[2-[ethyl-[[1-(morpholine-4-carbonyl)piperidin-4-yl]methyl]amino]propyl]phenyl]-4-methylbenzamide into molecular formula.
user
C30H42N4O3
assistant