Using CC(=O)OC(C)=O, Cn1c(=O)c(=O)[nH]c2cc(N)ccc21 to produce CC(=O)Nc1ccc2c(c1)[nH]c(=O)c(=O)n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.