Showing structure for CC(C)(C)[Si](C)(C)OC(=O)[C@H](CCC(=O)O)NC(=O)C1=CC=C(N(CC2=NC3=C(N([Si](C)(C)C(C)(C)C)C2)N([Si](C)(C)C(C)(C)C)C(N)=NC3=O)[Si](C)(C)C(C)(C)C)C=C1