Text this: Synthetic chemistry of acenes and heteroacenes

 _    _     _____    _____     __   __   _    _   
| |  | ||  |  ___|| |  __ \\   \ \\/ // | \  / || 
| |/\| ||  | ||__   | |  \ ||   \ ` //  |  \/  || 
|  /\  ||  | ||__   | |__/ ||    | ||   | .  . || 
|_// \_||  |_____|| |_____//     |_||   |_|\/|_|| 
`-`   `-`  `-----`   -----`      `-`'   `-`  `-`