Using O=C1CC2(CCN(Cc3ccccc3)CC2)Oc2ccc(Br)cc21 to produce OC1CC2(CCN(Cc3ccccc3)CC2)Oc2ccc(Br)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.