Using COc1cccc(CBr)c1, Oc1cc(-c2ccccc2)cnc1NC(c1ccccc1)(c1ccccc1)c1ccccc1 to produce COc1cccc(COc2cc(-c3ccccc3)cnc2N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.