Using O=C(O)c1ccc(N2CCC3(CC2)OCCO3)cc1, NOCc1ccccc1 to produce O=C(NOCc1ccccc1)c1ccc(N2CCC3(CC2)OCCO3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.