Using CCCCCCCCCCCCCCCCOc1ccc(O)cc1, COC(=O)CBr to produce CCCCCCCCCCCCCCCCOc1ccc(OCC(=O)OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.