Using CN(C)CCN(C(=O)C(=O)c1ccccc1)c1ccccc1SCc1ccccc1 to produce CN(C)CCN(C(=O)C(O)c1ccccc1)c1ccccc1SCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.