Using COc1cc2[nH]cc(C(=O)NN3CCNC3=O)c(=O)c2cc1OC to produce O=C(NN1CCNC1=O)c1c[nH]c2cc(O)c(O)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.