Using CC(C)(C)c1ccc(S(=O)(=O)Cl)cc1, O=C1CCCN1 to produce CC(C)(C)c1ccc(S(=O)(=O)N2CCCC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.