Using CCCCC12CCC(=O)C(Br)=C1c1ccc(OC)c(Cl)c1C2, C=C(OCC)[Sn](CCCC)(CCCC)CCCC to produce C=C(OCC)C1=C2c3ccc(OC)c(Cl)c3CC2(CCCC)CCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.