('CID110924867', 3),2-(4-bromoquinolin-2-yl)ethyl-trimethyl-silane
('CID110924867', 3),2-(4-bromanylquinolin-2-yl)ethyl-trimethyl-silane
('CID110924867', 3),2-(4-bromo-2-quinolyl)ethyl-trimethyl-silane
('CID102724975', 2),2-(benzenesulfonyl)ethyl-trimethyl-silane
('CID102724975', 2),2-(benzenesulfonyl)ethyl-trimethyl-silane
ldiff: defaultdict(<type 'list'>, {'CID102724975': [19, 19], 'CID110924867': [24, 27, 22]})
f1: [24, 27, 22]
f2: [19, 19]
c1: Counter({24: 1, 27: 1, 22: 1})
c2: Counter({19: 2})
The chosen was  ... CID102724975