O=C(CN(C(=O)Nc1ccccc1)c1cccnc1)N1CCN(S(=O)(=O)c2ccccc2)CC1
O=C(CN(C(=O)Nc1ccccc1)c1cccnc1)NC1CC1
NS(=O)(=O)Cc1cccc(NC(=O)N(CC(=O)NC2CC2)c2cccnc2)c1
CC(=O)NCCc1ccncc1N(CC(=O)NC1CC1)C(=O)Nc1ccccc1
O=C(NC1CC1)C1CCN(c2ccccc2)C(=O)N1c1cccnc1
O=C(NC1CC1)C1CCCN(c2ccccc2)C(=O)N1c1cccnc1
Expansion of fragment x0434 combining elements of x0397, x0161, x0731 and x0426. By eye with help from Flare software to check the fit. More complex combinations are clearly possible. As are combinations with the side chain of x0678 rather than x0434.