Using NCCc1coc2ccccc12, O=C(O)c1cc(Cc2cccc(F)c2)on1 to produce O=C(NCCc1coc2ccccc12)c1cc(Cc2cccc(F)c2)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.