Using O=C(c1ccccc1)N(N=Cc1ccccc1)c1ccccc1F, O=C1CCC(C(=O)O)CC1 to produce O=C(O)C1CCc2c(c3cccc(F)c3n2C(=O)c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.