Using CCOC(=O)c1cnn([C@H]2CCOC2)c1-c1ccc(-c2c(C)cc(OCC)nc2C)cc1[N+](=O)[O-] to produce CCOc1cc(C)c(-c2ccc3c(c2)[nH]c(=O)c2cnn([C@H]4CCOC4)c23)c(C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.