Using CSc1nc(Cl)c(C(N)=O)c(Nc2cnc3ccccc3c2)n1, CC(=O)[O-] to produce CSc1nc(Nc2cnc3ccccc3c2)c(C(N)=O)c(OC(C)=O)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.