Using COCC(=O)Cl, COC(=O)Oc1cc(Nc2ncnc3cc(N)ccc23)c(F)cc1C to produce COCC(=O)Nc1ccc2c(Nc3cc(OC(=O)OC)c(C)cc3F)ncnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.