Using Fc1ccc2c(c1)NCCC2, O=C(O)c1ccc2cccnc2c1O to produce O=C(c1ccc2cccnc2c1O)N1CCCc2ccc(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.