You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[6-chloro-4-[4-(2,4-dimethylphenyl)piperazin-1-yl]quinolin-3-yl]-morpholin-4-ylmethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H29ClN4O2
assistant