Using COCOc1cc(OCOC)c(-c2n[nH]c(=S)n2-c2ccc(N3CCOCC3)cc2)cc1Br to produce Oc1cc(O)c(-c2nnc(S)n2-c2ccc(N3CCOCC3)cc2)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.