('CID103059866', 1),L-Glutamicacid,(3S,4S)-4-hydroxy-4-(5-hydroxy-2-pyridinyl)-L-valyl-(6R)-2-amino-3,6-anhydro-2-deoxy-6-C-(4-formyl-2,3-dihydro-2-oxo-1H-imidazol-1-yl)-L-allonoyl-(9CI)
('CID100002231', 1),L-Glutamicacid, N-[N2-[N2-[N-[N2-(N2-L-arginyl-L-lysyl)-L-arginyl]-L-alanyl]-L-arginyl]-L-lysyl]-
ldiff: defaultdict(<type 'list'>, {'CID103059866': [152], 'CID100002231': [83]})
f1: [152]
f2: [83]
c1: Counter({152: 1})
c2: Counter({83: 1})
The chosen was  ... CID100002231