Using C1CC2(CCN1)OCCO2, CCN(CC)C(=O)c1ccc(CBr)cc1 to produce CCN(CC)C(=O)c1ccc(CN2CCC3(CC2)OCCO3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.