Using O=C(Cc1ccc2ccccc2c1O)NCCO[N+](=O)[O-], ClCC1CO1 to produce O=C(Cc1ccc2ccccc2c1OCC1CO1)NCCO[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.