Using Oc1ccccc1C=NCCN(CCN=Cc1ccccc1O)CCN=Cc1ccccc1O to produce Oc1ccccc1CNCCN(CCNCc1ccccc1O)CCNCc1ccccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.