Showing structure for C[Si](C)(C)OC(=O)CN=C(O[Si](C)(C)C)[C@H](CSC1C2=CC=CC([N+](=O)[O-])=C2C=CC1O[Si](C)(C)C)N=C(CC[C@H](N)C(=O)O[Si](C)(C)C)O[Si](C)(C)C