Using CCOC(=O)c1cccc(C2=C(Br)CCC2)c1, OB(O)c1ccccc1OCc1ccccc1 to produce O=C(O)c1cccc(C2=C(c3ccccc3OCc3ccccc3)CCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.