Using CC(C)(C)OC(=O)n1c(C=O)cc2c(Cl)nc(-c3ccccc3)nc21, NOCc1ccccc1 to produce CC(C)(C)OC(=O)n1c(C=NOCc2ccccc2)cc2c(Cl)nc(-c3ccccc3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.