Using O=C(Nc1ccc(OCc2ccccc2)c(F)c1OCc1ccccc1)c1cc(F)c(OCC2CC2)cc1F to produce Oc1ccc2nc(-c3cc(F)c(OCC4CC4)cc3F)oc2c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.