Using Oc1cccc(-c2nnc3ccc(Br)cn23)c1, BrCCN1CCOCC1 to produce Brc1ccc2nnc(-c3cccc(OCCN4CCOCC4)c3)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.