Using CN1CCN(c2ccc(F)cc2C=O)CC1, CC(=O)N1CCCC1=O to produce CN1CCN(c2ccc(F)cc2C=C2CCNC2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.