Using Cc1cc2cccc(OS(=O)(=O)C(F)(F)F)c2nc1-c1ccccc1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1cccc2cc(C)c(-c3ccccc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.