Using CCN(CC)S(=O)(=O)c1cc2c(cc1Br)CCc1nc(N)[nH]c(=O)c1-2 to produce CCN(CC)S(=O)(=O)c1ccc2ccc3nc(N)[nH]c(=O)c3c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.