Using CS(=O)(=O)Cl, CCCC[Sn](CCCC)(CCCC)c1cnc(N)cn1 to produce CCCC[Sn](CCCC)(CCCC)c1cnc(NS(C)(=O)=O)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.