Using COC(=O)CCCCCNc1ncnc2oc(Br)c(-c3ccccc3)c12, OB(O)c1ccccc1 to produce COC(=O)CCCCCNc1ncnc2oc(-c3ccccc3)c(-c3ccccc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.