Showing structure for C[Si](C)(C)N(CC1CNC2=C(N1)C(=O)N([Si](C)(C)C)C(N)=N2)C1=CC=C(C(=O)NC(CCC(=O)NC(CCC(=O)NC(CCC(=O)[O-])C(=O)[O-])C(=O)[O-])C(=O)[O-])C=C1