Using O=S(=O)(Cl)c1cccnc1, COC(=O)CCCCCCNCc1ccc(-c2ncccn2)cc1 to produce COC(=O)CCCCCCN(Cc1ccc(-c2ncccn2)cc1)S(=O)(=O)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.