Using c1ccc2sccc2c1, CCN(CC)CCN1C(=O)C(=O)c2c(Br)cccc21 to produce CCN(CC)CCN1C(=O)C(O)(c2cc3ccccc3s2)c2c(Br)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.