Using CNc1ccccc1F, Cc1ccc2c(c1)-c1sc(C(=O)O)cc1CO2 to produce Cc1ccc2c(c1)-c1sc(C(=O)N(C)c3ccccc3F)cc1CO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.