Using CC(C)CON, COc1c(Cl)ccc(-c2cc(N)c(Cl)c(C(=O)O)n2)c1F to produce COc1c(Cl)ccc(-c2cc(N)c(Cl)c(C(=O)NOCC(C)C)n2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.