Showing structure for C[Si](C)(C)N(C[C@H]1CNC2=C(C(=O)N=C(N([Si](C)(C)C)[Si](C)(C)C)N2[Si](C)(C)C)N1C=O)C1=CC=C(C(=O)N[C@@H](CCC(=O)O)C(=O)O)C=C1