Using Oc1ccc(Nc2ccccn2)cc1, CN1CC(c2cccnc2F)CC1=O to produce CN1CC(c2cccnc2Oc2ccc(Nc3ccccn3)cc2)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.