Using Cc1cc(Oc2ccc(C#N)cc2)nc2cc(Br)ccc12, C=CC[Sn](CCCC)(CCCC)CCCC to produce C=CCc1ccc2c(C)cc(Oc3ccc(C#N)cc3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.