I dare you! If you succeed, then congradulations.
The word exists in biochemistry; it is the scientific name for Tobacco Mosaic Virus.
I got it from Wikipedia; you may have seen the article.
Anyway, the word is:
acetylseryltyrosylserylisoleucylthreonyl serylprolylserylglutaminyl-
phenylalanylvalylphenylalanylleucylseryl serylvalyltryptophylalanyl-
aspartylprolylisoleucylglutamylleucylleu cylasparaginylvalylcysteinyl-
threonylserylserylleucylglycylasparaginy lglutaminylphenylalanyl-
glutaminylthreonylglutaminylglutaminylal anylarginylthreonylthreonyl-
glutaminylvalylglutaminylglutaminylpheny lalanylserylglutaminylvalyl-
tryptophyllysylprolylphenylalanylprolylg lutaminylserylthreonylvalyl-
arginylphenylalanylprolylglycylaspartylv alyltyrosyllysylvalyltyrosyl-
arginyltyrosylasparaginylalanylvalylleuc ylaspartylprolylleucylisoleucyl-
threonylalanylleucylleucylglycylthreonyl phenylalanylaspartylthreonyl-
arginylasparaginylarginylisoleucylisoleu cylglutamylvalylglutamyl-
asparaginylglutaminylglutaminylserylprol ylthreonylthreonylalanylglutamyl-
threonylleucylaspartylalanylthreonylargi nylarginylvalylaspartylaspartyl-
alanylthreonylvalylalanylisoleucylarginy lserylalanylasparaginylisoleucyl-
asparaginylleucylvalylasparaginylglutamy lleucylvalylarginylglycyl-
threonylglycylleucyltyrosylasparaginylgl utaminylasparaginylthreonyl-
phenylalanylglutamylserylmethionylserylg lycylleucylvalyltryptophyl-
threonylserylalanylprolylalanylserine