Showing structure for C[Si](C)(C)NC1=CC2=C(O)C(/N=N/C3=CC=C(/N=N/C4=CC=C(S(=O)(=O)O)C=C4)C4=CC=C(S(=O)(=O)O)C=C34)=C(S(=O)(=O)O[Si](C)(C)C)C=C2C=C1S(=O)(=O)O