Showing structure for CCC(C)C1NC(=O)C(CC(C)C)NC(=O)C(CC2=CN([Si](C)(C)C)C3=CC=CC=C23)NC(=O)C2CCCN2C(=O)C(CC(C)C)NC(=O)CNC(=O)C(C)NC(=O)C(C)NC1=O