You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3,4-dimethoxyphenyl)-[4-(4-methyl-6-morpholin-4-ylpyrimidin-2-yl)piperazin-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C22H29N5O4
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