Using N=C(N)c1ccncc1, COC(=O)c1cn(C(=O)OC(C)(C)C)c2c1C(=O)C(Br)CCC2 to produce COC(=O)c1c[nH]c2c1-c1nc(-c3ccncc3)[nH]c1CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.