Using NCCCS(=O)(=O)O, CN1Cc2c(Cl)cc(Cl)cc2C(c2cccc(S(=O)(=O)Cl)c2)C1 to produce CN1Cc2c(Cl)cc(Cl)cc2C(c2cccc(S(=O)(=O)NCCCS(=O)(=O)O)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.