Using c1ccc2c(c1)CCNC2, CCOC(=O)Cc1nc(N2CCOCC2)cc(=O)[nH]1 to produce O=C(Cc1nc(N2CCOCC2)cc(=O)[nH]1)N1CCc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.