('CID100000238', 4),Adenosinetriphosphate
('CID100000238', 4),5'-Adenosinetriphosphate (5'-ATP)
('CID100000238', 4),(ATP)Adenosinetriphosphate
('CID100000238', 4),Adenosinetriphosphate
('CID111542191', 2),Trinitrophenyl adenosinetriphosphate
('CID111542191', 2),Trinitrophenyl adenosinetriphosphate
ldiff: defaultdict(<type 'list'>, {'CID111542191': [15, 15], 'CID100000238': [0, 12, 5, 0]})
f1: [0, 12, 5, 0]
f2: [15, 15]
c1: Counter({0: 2, 12: 1, 5: 1})
c2: Counter({15: 2})
The chosen was ... CID100000238