Using CCCC[Sn](CCCC)(CCCC)c1cnc(NC(=O)OC(C)(C)C)s1, CCCI to produce CCCC[Sn](CCCC)(CCCC)c1cnc(N(CCC)C(=O)OC(C)(C)C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.