Using O=Cc1ccc(-c2cc3nccc(Oc4ccc([N+](=O)[O-])cc4F)c3s2)nc1, COCCOCCN to produce COCCOCCNCc1ccc(-c2cc3nccc(Oc4ccc([N+](=O)[O-])cc4F)c3s2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.