Using NCCON, O=C(CCCN1CCC(C(=O)c2ccc(F)cc2)CC1)c1ccccc1 to produce NCCON=C(CCCN1CCC(C(=O)c2ccc(F)cc2)CC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.