Using O=C1O[C@]2(CCNC2)c2ccccc21, O=C(O)C1(c2ccc(Br)cc2)CC1 to produce O=C1O[C@]2(CCN(C(=O)C3(c4ccc(Br)cc4)CC3)C2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.