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