('CID100444567', 2),N-Methyl-N-(Methylbenzyl)formamide ('CID100444567', 2),N-METHYL-N-(METHYLBENZYL)FORMAMIDE ('CID118715522', 1),N-methyl-N-(3-methylbenzyl)formamide ldiff: defaultdict(, {'CID118715522': [2], 'CID100444567': [0, 0]}) f1: [0, 0] f2: [2] c1: Counter({0: 2}) c2: Counter({2: 1}) The chosen was ... CID100444567