('CID100103535', 4),Chymostatin ('CID100103535', 4),CHYMOSTATIN ('CID100103535', 4),Chymostatin ('CID100103535', 4),Chymostatin ('CID100002745', 3),chymostatin a ('CID100002745', 3),chymostatin a ('CID100002745', 3),Chymostatin A ldiff: defaultdict(, {'CID100002745': [2, 2, 2], 'CID100103535': [0, 0, 0, 0]}) f1: [0, 0, 0, 0] f2: [2, 2, 2] c1: Counter({0: 4}) c2: Counter({2: 3}) The chosen was ... CID100103535