You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-methanidyl-2,2,6,6-tetramethylheptan-3-one;methyl 2-diphenylphosphanyl-4-ethylbenzoate;yttrium ?
user
C34H43O3PY-2
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