Showing structure for C[Si](C)(C)NC1=NC(=O)C2=C(N([Si](C)(C)C)C[C@H](CNC3=CC=C(C(=O)N(C(CCC(=O)O[Si](C)(C)C)C(=O)O)[Si](C)(C)C)C=C3)N2[Si](C)(C)C)N1[Si](C)(C)C