Showing structure for CC1NC(=O)C2CCCN2C(=O)CN([Si](C)(C)C)C(=O)CN([Si](C)(C)C)C(=O)C(CC2=C[NH]C3=CC=CC=C23)NC(=O)C(CC2=CC=CC=C2)NC(=O)C2CCCN2C1=O