Using COC(=O)N(C)CCc1ccc2[nH]cc(S(=O)(=O)c3ccccc3)c2c1 to produce CNCCc1ccc2[nH]cc(S(=O)(=O)c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.