Omqondofana:

(E)-1,2-Diphenylethylene;(E)-Stilbene;1,1'-(1E)-1,2-Ethenediylbis[benzene];I-NSC 2069;trans-1,2-Diphenylethene;i-trans-1,2-Diphenylethylene;i-trans-Diphenylethene;Trans-Stilbene

I-Canonical SMILES:C1=CC=C(C=C1)C=CC2=CC=CC=C2