Using Brc1cnc(N2CCCCC2)nc1, Oc1ccc2c(c1)CCN(C1CCC1)CC2 to produce c1cc2c(cc1Oc1cnc(N3CCCCC3)nc1)CCN(C1CCC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.