Using CNC(=O)c1c(-c2ccc(F)cc2)nn2ccc(-c3cc(C(=O)OC)c(OC)nc3C)c(F)c12 to produce CNC(=O)c1c(-c2ccc(F)cc2)nn2ccc(-c3cc(C(=O)O)c(OC)nc3C)c(F)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.