Using C1CCNC1, CC(=O)Nc1ccc(S(=O)(=O)Cl)c(C)c1 to produce CC(=O)Nc1ccc(S(=O)(=O)N2CCCC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.