Using Clc1nc(N2CCOCC2)nc(N2CCOCC2)n1, Brc1cn[nH]c1 to produce Brc1cnn(-c2nc(N3CCOCC3)nc(N3CCOCC3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.