Using [Cl-], CCCCc1ccc(CN(CCCCCCOS(C)(=O)=O)C(=O)Nc2c(Cl)cc(Cl)cc2Cl)cc1 to produce CCCCc1ccc(CN(CCCCCCCl)C(=O)Nc2c(Cl)cc(Cl)cc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.