Using O=C(N[C@@H]1CCN(C(=O)CBr)C1)c1ccc(Cl)s1, Nc1ccc(-n2ccccc2=O)cc1 to produce O=C(N[C@@H]1CCN(C(=O)CNc2ccc(-n3ccccc3=O)cc2)C1)c1ccc(Cl)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.