a The molecular assembler drives the conversion of thiol (2) into disulfide polymers. Numbers were obtained using NMR analysis of the produced polymers and were further confirmed using gel permeation chromatography (GPC). b Based on the conversion of thiol to disulfide, the average chainlength of the produced polymers can be calculated. c Average polymer length after 6 days of polymerization in the presence of 1-dodecanethiol (5). The amount of 1-dodecanethiol (which acts by capping the growing polymers, stopping further chain elongation) as percentage of the total thiol amount is given on the x axis. Error bars represent the standard deviation. Source data are provided as a Source Data file.