You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (1S,13R,14S,17S)-20-acetamido-13,14,18,18-tetramethyl-7-oxo-2-oxa-6-azapentacyclo[11.8.0.01,17.03,11.04,8]henicosa-3,8,10-triene-9-carboxamide using the IUPAC nomenclature.
user
C26H35N3O4
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