Using CCOC(=O)c1sc(SC)c2c1CCC(Br)C2=O, N=C(N)c1ccccc1 to produce CCOC(=O)c1sc(SC)c2c1CCc1nc(-c3ccccc3)[nH]c1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.