Showing structure for CC(C)(C)[Si](C)(C)N(C1=NC(=O)C2=C(NC[C@@H]3CN(C4=CC=C(C(=O)N[C@@H](CCC(=O)O)C(=O)[O-])C=C4)C=[N+]23)N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C