Showing structure for C[Si](C)(C)N1CC(CNC2=CC=C(C(=O)NC(CCC(=O)N(C(CCC(=O)NC(CCC(=O)[O-])C(=O)[O-])C(=O)[O-])[Si](C)(C)C)C(=O)[O-])C=C2)NC2=C1N=C(N)[NH]C2=O