Showing structure for C[Si](C)(C)N(CC1CNC2=C(N1)C(=O)N=C(N([Si](C)(C)C)[Si](C)(C)C)N2[Si](C)(C)C)C1=CC=C(C(=O)N([C@@H](CCC(=O)O)C(=O)O)[Si](C)(C)C)C=C1