Using NC(=O)CBr, CS(=O)c1ncc2ccc(-c3ccccc3O)n2n1 to produce CS(=O)c1ncc2ccc(-c3ccccc3OCC(N)=O)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.