Using O=Cc1cc(Br)ccc1Cl, Brc1cnn(-c2ccccc2)c1 to produce OC(c1cnn(-c2ccccc2)c1)c1cc(Br)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.