Using CS(=O)(=O)Cl, CCCCOC(=O)c1ccc(N2CCNCC2)cc1 to produce CCCCOC(=O)c1ccc(N2CCN(S(C)(=O)=O)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.