Using O=C(NN1CCNCC1)c1cnc(-c2ccccc2)nc1, O=C(CCl)N1CCOCC1 to produce O=C(NN1CCN(CC(=O)N2CCOCC2)CC1)c1cnc(-c2ccccc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.