Using CCOC(=O)N(Cc1ccccc1)c1cc(Cl)nc(N)c1[N+](=O)[O-], COCCO to produce CCOC(=O)N(Cc1ccccc1)c1cc(OCCOC)nc(N)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.