Showing structure for C[Si](C)(C)OC(=O)C(CCC(=O)N(C(CCC(=O)O)C(=O)O)[Si](C)(C)C)NC(=O)C1=CC=C(NCC2CN([Si](C)(C)C)C3=C(N2)C(=O)N([Si](C)(C)C)C(N)=N3)C=C1