You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-hydroxy-2-[8-[4-(hydroxymethyl)phenyl]-1,3,4,5-tetrahydropyrido[4,3-b]indol-2-yl]pyrimidine-5-carboxamide .
user
C23H21N5O3
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