Using CCCCc1oc2ccc(C(=O)OC)cc2c1C(=O)c1ccc(OCCBr)cc1, OCCO to produce CCCCc1oc2ccc(C(=O)OC)cc2c1C1(c2ccc(OCCBr)cc2)OCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.