Using CCCCC12CCC(=O)C(Br)=C1c1ccc(OC)cc1C2, c1ccc(C[Sn]23CCCN(CCC2)CCC3)cc1 to produce CCCCC12CCC(=O)C(Cc3ccccc3)=C1c1ccc(OC)cc1C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.