You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[(7S,11R,12R,13R)-6-[3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]-12,13-dihydroxy-11-methoxy-7-(2-methylpropyl)-1-oxa-6,9-diazacyclotetradec-9-yl]-2-methoxyethanone by IUPAC nomenclature, provide its molecular formula.
user
C30H44ClN3O8
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