('CID111764583', 2),[[n-(benzyloxycarbonyl)amino]methyl]phosphate ('CID111764583', 2),[[N-(BENZYLOXYCARBONYL)AMINO]METHYL]PHOSPHATE ('CID100001950', 1),[[n-(benzyloxycarbonyl)amino]methyl]phosphate ldiff: defaultdict(, {'CID100001950': [0], 'CID111764583': [0, 0]}) f1: [0, 0] f2: [0] c1: Counter({0: 2}) c2: Counter({0: 1}) The chosen was ... CID111764583