Using CN1CCC(c2cccnc2F)CC1=O, Oc1ccc(Nc2ccccn2)cc1 to produce CN1CCC(c2cccnc2Oc2ccc(Nc3ccccn3)cc2)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.