Using CC1CNc2cccc(O)c21, O=C([O-])Cc1nc(N2CCOCC2)cc(=O)[nH]1 to produce CC1CN(C(=O)Cc2nc(N3CCOCC3)cc(=O)[nH]2)c2cccc(O)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.