Using C[C@@H]1C[C@H]1C(=O)Nc1snc(Br)c1Br, CC(C)(C)OC(=O)n1ncc2cc([Sn](C)(C)C)ccc21 to produce C[C@@H]1C[C@H]1C(=O)Nc1snc(-c2ccc3c(cnn3C(=O)OC(C)(C)C)c2)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.