Using O=C(OCc1ccccc1)N1CCC(c2nnn3cnc4[nH]ccc4c23)CC1 to produce c1cc2c(ncn3nnc(C4CCNCC4)c23)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.