You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (1S,5S)-4-(cyclopropylmethyl)-11-oxa-4,15,16,17,20-pentazahexacyclo[18.6.1.16,10.115,18.01,5.021,26]nonacosa-6(29),7,9,16,18(28),21,23,25-octaen-27-one is given. What is its corresponding molecular formula?
user
C27H29N5O2
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