Showing structure for CC(C)(C)[Si](C)(C)OS(=O)(=O)C1=CC=CC2=C(N=NC3=CC(S(=O)(=O)O)=CC4=CC(S(=O)(=O)O)=CC(O)=C34)C=CC(N(C3=CC=CC=C3)[Si](C)(C)C(C)(C)C)=C12