Showing structure for CC(C)(C)[Si](C)(C)OC(=O)C1=CC(N(C(=O)CCC(C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=CC=C1[N+](=O)[O-]