You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[6-[[5-bromo-2-[5-ethyl-2-methoxy-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]anilino]pyrimidin-4-yl]amino]morpholin-3-yl]methyl-methyl-oxophosphanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H45BrN8O3P+
assistant