Using Cc1cc(C#N)ncc1Br, CO[C@H]1CC[C@H](CN2C(=O)CNc3ncc([Sn](C)(C)C)nc32)CC1 to produce CO[C@H]1CC[C@H](CN2C(=O)CNc3ncc(-c4cnc(C#N)cc4C)nc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.