Using COC(=O)c1cc2nccc(Oc3ccc(NC(=O)Nc4cc(C)ccc4F)cc3)c2s1 to produce Cc1ccc(F)c(NC(=O)Nc2ccc(Oc3ccnc4cc(C(=O)O)sc34)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.