Using CN(CC(=O)NCc1cccc2cc(S(=O)(=O)c3ccccc3)ccc12)C(=O)OCc1ccccc1 to produce CNCC(=O)NCc1cccc2cc(S(=O)(=O)c3ccccc3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.