('CID100102459', 2),3,7,11,15-TETRAMETHYL-HEXADECAN-1-OL
('CID100102459', 2),3,7,11,15-TETRAMETHYL-HEXADECAN-1-OL
('CID111714229', 1),1-(2-benzylselanyl-5-methoxy-3,4,6-trimethyl-phenyl)-3,7,11,15-tetramethyl-hexadecan-3-ol
ldiff: defaultdict(<type 'list'>, {'CID100102459': [0, 0], 'CID111714229': [53]})
f1: [0, 0]
f2: [53]
c1: Counter({0: 2})
c2: Counter({53: 1})
The chosen was ... CID100102459