Using C[O-], Nc1nc(OCC2CCCO2)nc2c1nc(Br)n2C1CCCCO1 to produce COc1nc2c(N)nc(OCC3CCCO3)nc2n1C1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.