Using CCOC(=O)[C@H](C)N, C[C@H](NC(=O)Cc1cccc([N+](=O)[O-])c1)C(=O)Oc1cc(Cl)c(Cl)cc1Cl to produce CCOC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)Cc1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.