Using COc1cccc(C2CCCCC2=O)c1, CCOC(=O)CCCCCBr to produce CCOC(=O)CCCCC1(c2cccc(OC)c2)CCCCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.