Using CN(C)C=O, O=C1N[C@H](c2ncc(-c3cccc(Br)n3)s2)CO1 to produce CN1C(=O)OC[C@H]1c1ncc(-c2cccc(Br)n2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.