Using OCCCO, CCc1cc(C(=O)c2ccccc2)ccc1[N+](=O)[O-] to produce CCc1cc(C2(c3ccccc3)OCCCO2)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.