Using O=C(Cl)CCCCBr, CCCC[Sn](CCCC)(CCCC)c1cc(OC)c(OC)c(OC)c1 to produce COc1cc(C(=O)CCCCBr)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.