Using COc1cccc(CNc2nc(Nc3cccc(CCCO)c3)ncc2Cl)c1, BrB(Br)Br to produce Oc1cccc(CNc2nc(Nc3cccc(CCCBr)c3)ncc2Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.