You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1S,4R,6S,7Z,11S,13R,14S,18R)-18-(4-ethoxyisoquinolin-1-yl)oxy-13-ethyl-11-methyl-4-[(1-methylcyclopropyl)sulfonylcarbamoyl]-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-en-14-yl]carbamic acid by IUPAC nomenclature, provide its molecular formula.
user
C37H49N5O9S
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