Attach siloxane bridges on the surface similar to Krishna et al. (2009). Here silicon atoms of silanol groups wich are at least 0.31 nm near each other can be converted to siloxan bridges, by removing one oxygen atom of the silanol groups and moving the other at the center of the two.
List of silicon ids of which binding sites should be picked
Number of molecules to attach
Silicon atom distance bounds to search for parters in proximity [lower, upper]
Number of trials picking a random site
Site type - interior in, exterior ex