You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule tert-butyl-[3-[[4-[[1-[[2-(dimethylamino)-6-methoxyphenyl]methyl]piperidin-4-yl]amino]-6,7-dimethoxyquinazolin-2-yl]amino]propyl]carbamic acid ?
user
C33H49N7O5
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