Using CCCC[Sn](CCCC)(CCCC)c1cnc2[nH]cc(C(=O)C(C)(C)C)c2n1, Brc1cccc(N2CCCC2)n1 to produce CC(C)(C)C(=O)c1c[nH]c2ncc(-c3cccc(N4CCCC4)n3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.