Using C=C[Sn](CCCC)(CCCC)CCCC, C[C@@H](NC(=O)OC(C)(C)C)c1cccc(Br)c1 to produce C=Cc1cccc([C@@H](C)NC(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.