Using Brc1ccc(OC2CCCCO2)cc1, O=C1CCN(Cc2ccccc2)CC1 to produce OC1(c2ccc(OC3CCCCO3)cc2)CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.