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