Showing structure for CC(C)(C)[Si](C)(C)OC(=O)C(CCCNC(=O)C1=CC=CC=C1C(=O)O)NC(=O)C1=CC=C(N(CC2=CN=C3N=C(N)N=C(N)C3=N2)[Si](C)(C)C(C)(C)C)C=C1