Showing structure for CC(C)(C)[Si](C)(C)OS(=O)(=O)C1=CC(N=NC2=CC=C(N(C3=CC=CC=C3)[Si](C)(C)C(C)(C)C)C3=C(S(=O)(=O)O)C=CC=C23)=C2C(O)=CC(S(=O)(=O)O)=CC2=C1