All that’s needed to make antibiotics is alcohol. The best way to get some is to win the Grand Bout, which the Senku and his kingdom will also need to do in order to keep Magma away from Ruri and give her the drug.
I don't know what you're using it for, 
but you've gone and made me all excited!
!لا أدري فيمَ ستستخدمها، لكنّك حمّستني كثيرًا
Du glaubst gar nicht, wie neugierig
ich bin, wofür das sein soll.
No sé para qué es esa cosa
y estoy muy intrigado.
No sé para qué es esa cosa
y estoy muy intrigado.
Je ne sais pas à quoi ça sert,
mais j’ai hâte de voir ça !
Non so a cosa possa servire,
e adesso non vedo l'ora di saperlo!
Eu não sei nem para que você vai utilizar,
Не знаю, для чего она,
но я прям разнервничался!