You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 3-hydroxy-2-(2'-methyl-5'-propan-2-ylspiro[1,3-dihydroperimidine-2,1'-cyclohexane]-4-yl)-4-(2'-methyl-5'-propan-2-ylspiro[1H-perimidine-2,1'-cyclohexane]-4-ylidene)cyclobut-2-en-1-one ?
user
C44H50N4O2
assistant