Using O=c1[nH]c(-c2ccc3c(c2)c(-c2ccc(F)cc2)nn3C2CCCCO2)no1 to produce O=c1[nH]c(-c2ccc3[nH]nc(-c4ccc(F)cc4)c3c2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.