Showing structure for C[Si](C)(C)OC1=C(/N=N/C2=CC=C(/N=N/C3=CC=C(S(=O)(=O)O)C=C3)C3=CC=C(S(=O)(=O)O)C=C23)C(S(=O)(=O)O[Si](C)(C)C)=CC2=CC(S(=O)(=O)O)=C(N)C=C12