Under IUPAC nomenclature, a molecule named 2-[[bis[2-[(2,4-dihydroxy-6-methoxy-3,5-dimethylphenyl)methyl-[(2,4,6-trihydroxy-3,5-dimethylphenyl)methyl]amino]ethyl]amino]methyl]-4,6-dimethylbenzene-1,3,5-triol is given. What is its corresponding molecular formula?