Using COC(=O)c1ccc(N2CCN(CCO)CC2)c(Br)c1, BrCc1ccccc1 to produce COC(=O)c1ccc(N2CCN(CCOCc3ccccc3)CC2)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.