Using C=C[Sn](CCCC)(CCCC)CCCC, O=[N+]([O-])c1ccc(Cl)nc1OCc1ccccc1 to produce C=Cc1ccc([N+](=O)[O-])c(OCc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.