Showing structure for CC(C)(C)[Si](C)(C)N(C[C@H]1CNC2=C(C(=O)N=C(N)N2[Si](C)(C)C(C)(C)C)N1[Si](C)(C)C(C)(C)C)C1=CC=C(C(=O)NC(CCC(=O)O)C(=O)O)C=C1