You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[1-(3,4-dichlorophenyl)ethyl]-6,7-dihydro-5H-cyclopenta[f]benzimidazole;1-[1-(3,4-dichlorophenyl)ethyl]-5,6-dimethylbenzimidazole;1-[1-(3,4-dichlorophenyl)ethyl]-6,6-dimethyl-5,7-dihydrocyclopenta[f]benzimidazole;3-[1-(3,4-dichlorophenyl)ethyl]-5,6,7,8-tetrahydrobenzo[f]benzimidazole;1-[(3,4-dichlorophenyl)methyl]-5,6-dimethylbenzimidazole is given. What is its corresponding molecular formula?
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C108H100Cl12N12
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