Showing structure for C[Si](C)(C)OC(=O)CC[C@@H](C(=O)O[Si](C)(C)C)N(C(=O)N([C@@H](CCCCN(C(=O)C1=CC=C([18F])N=C1)[Si](C)(C)C)C(=O)O)[Si](C)(C)C)[Si](C)(C)C