Using CN(CCOc1cccc2cc(S(=O)(=O)c3ccccc3)n(C(=O)OC(C)(C)C)c12)C(=O)OC(C)(C)C to produce CNCCOc1cccc2cc(S(=O)(=O)c3ccccc3)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.