Using COc1ccc(CNC2(Cc3ccccc3)CCC3(CC2)OCCc2c3[nH]c3ccc(F)cc23)cc1 to produce NC1(Cc2ccccc2)CCC2(CC1)OCCc1c2[nH]c2ccc(F)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.