Using CC(C)N1CCC(S)CC1, Cc1ccnc(-c2cn3c(n2)-c2cc(Br)ccc2OCC3)c1 to produce Cc1ccnc(-c2cn3c(n2)-c2cc(SC4CCN(C(C)C)CC4)ccc2OCC3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.