Using Nc1nnc(CO)s1, CCCCCCCCCCCCc1ccc(S(=O)(=O)Cl)cc1 to produce CCCCCCCCCCCCc1ccc(S(=O)(=O)Nc2nnc(CO)s2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.