You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[(3aS,6R,7aS)-3a-(3,4-dimethoxyphenyl)-1-[(4-methoxyphenyl)methyl]-3,4,5,6,7,7a-hexahydro-2H-indol-6-yl]-3-benzylthiourea by IUPAC nomenclature, provide its molecular formula.
user
C32H39N3O3S
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