You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3aR,6R,7aS)-3a-methoxy-1-[[5-(4-methoxyphenyl)-1H-pyrazol-4-yl]methyl]-3,4,5,6,7,7a-hexahydro-2H-indol-6-ol ?
user
C20H27N3O3
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