Using CC(C)(C)OC(=O)CCCCCCBr, O=c1[nH]nc(O)s1 to produce CC(C)(C)OC(=O)C=CCCCCn1[nH]c(=O)sc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.