Using CC(C)Oc1cccc(Br)n1, CCCC[Sn](Cl)(CCCC)CCCC to produce CCCC[Sn](CCCC)(CCCC)c1cccc(OC(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.