Using CCOC(=O)C1CN(S(C)(=O)=O)CCN1S(=O)(=O)CCCCl to produce CS(=O)(=O)N1CCN(S(=O)(=O)CCCCl)C(C(=O)O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.