Using CCCCCCN, O=C1CCCN(S(=O)(=O)c2cccc3c(Cl)nccc23)C1 to produce CCCCCCNC1CCCN(S(=O)(=O)c2cccc3c(Cl)nccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.