Using Nc1cccc(F)c1, O=C(Cl)c1nc(CCN2CCOCC2)n2ccccc12 to produce O=C(Nc1cccc(F)c1)c1nc(CCN2CCOCC2)n2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.