Using CN(C)C1(c2ccccc2)CCC(O)(CCCc2c[nH]c3ccc(F)cc23)CC1 to produce CN(C)C1(c2ccccc2)CCC2(CCCc3c2[nH]c2ccc(F)cc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.