Using Cc1cc(Br)c2nc(Nc3ccc(Cl)c(Cl)c3)nc(O)c2c1, C=Cc1cccc(Cl)c1 to produce Cc1cc(/C=C/c2cccc(Cl)c2)c2nc(Nc3ccc(Cl)c(Cl)c3)nc(O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.