We used two methods for SCP model equilibration in this paper: (i) conventional method: a well-established equilibration protocol for SCPs (i.e., performing several annealing cycles, each includes above-Tg / just-below-Tg / room-temperature equilibration ), to which we refer as "melt" for the rest of the manuscript, and (ii) a faster surrogate method: equilibrating one SCP chain in the soup of its repeat units at a temperature well above repeat unit melting point (i.e., 900 K, see SI, section S2.1). This is an approximation of the ideal solvent for the chain, and we can hypothesise that it represents similar intermolecular interactions and electrostatic disorder. These hypotheses will be tested by comparison with the "melt" simulations for five different SCPs shown in Figure (all of which are benchmark polymers belong to the new generation of non-semicrystalline SCP family). We will refer to this method as the "soup" for the rest of the manuscript. Examples of equilibrated simulation boxes for both "melt" (i.e., 50 polymer chains in a cubic box) and "soup" (i.e., one polymer chain and 300 repeat units in a rectangular box with approximately 4:1:1 aspect ratio) methods are shown in Figure . Note that in case of "soup", the polymer chain is initially aligned with the largest dimension of the rectangular box (i.e., x axis) so that a lower number of pseudo-solvent molecules (i.e., in our case the repeat unit of polymer) is needed compared to a cubic box. It is worth noting that by changing the number of pseudo-solvents from 150 to 600, we noticed that from 200 molecules onward, the microstructural properties of the polymers (e.g., endto-end distance) converge.