Showing structure for C[Si](C)(C)NC1=NC2=C(C(=O)[NH]1)N([Si](C)(C)C)C(CNC1=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)CN2