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 /_   _//   / _ \\  | \  / ||   / _ \\   / ____|| 
 `-| |,-   / //\ \\ |  \/  ||  / //\ \\ / //---`' 
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   `-`'   `-`   `-` `-`  `-`  `-`   `-`   `----`

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Text this: Synthesis of copolymer thieno[3,4-b]thiophene and benzodithiophene for application in solar cells