Using Nc1ccc2c(c1)c(=CC(=O)O)c1c2[nH]c(=O)c2nccn21, CN=C=O to produce CNC(=O)Nc1ccc2c(c1)c(=CC(=O)O)c1c2[nH]c(=O)c2nccn21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.