Showing structure for C[Si](C)(C)OS(=O)(=O)C1=CC(O)=C2C(N=NC3=CC=C(NC4=CC=CC=C4)C4=C(S(=O)(=O)O[Si](C)(C)C)C=CC=C34)=CC(S(=O)(=O)O[Si](C)(C)C)=CC2=C1