( You ( ( no longer ) ( ( have ( to ( dump ( ( a proton ) ( for ( charge neutrality ) ) ) ) ) ) ; ) ) )
(ROOT (S (NP (PRP You)) (ADVP (RB no) (RB longer)) (VP (VBP have) (S (VP (TO to) (VP (VB dump) (NP (NP (DT a) (NN proton)) (PP (IN for) (NP (NN charge) (NN neutrality)))))))) (: ;)))
You no longer have to dump a proton for charge neutrality;
(ROOT (S (NP (JJ Iconic) (NNS compounds)) (VP (VBP have) (NP (DT a) (JJ net) (JJ neutral) (NN charge))) (. .)))