Using CCN(CC)c1cccc2nc(Nc3cnc(OC)nc3OC)n(CCCO)c12 to produce CCN(CC)c1cccc2nc3n(c12)CCCN3c1cnc(OC)nc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.