Using C=C[Sn](CCCC)(CCCC)CCCC, COC(=O)c1ccc(OCC2CCCCC2)c(Br)c1 to produce C=Cc1cc(C(=O)OC)ccc1OCC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.