Using c1ccncc1, COC(=O)c1ccc(C)c(-n2cnc3c(C(=O)O)cc(I)cc3c2=O)c1 to produce COC(=O)c1ccc(C)c(-n2cnc3c(C(N)=O)cc(I)cc3c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.