You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (11R)-5,26-dimethyl-11-(4-prop-2-enoylpiperazin-1-yl)-7-oxa-4,5,13,20,22,27-hexazapentacyclo[22.3.1.02,6.013,21.014,19]octacosa-1(27),2(6),3,14,16,18,20,24(28),25-nonaen-23-one is given. What is its corresponding molecular formula?
user
C30H34N8O3
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