Using O=S(=O)(Cl)c1cccnc1, COC(=O)c1ccc(CCCNCCCc2cccc(Cl)c2)s1 to produce COC(=O)c1ccc(CCCN(CCCc2cccc(Cl)c2)S(=O)(=O)c2cccnc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.