Using NC1(CCO)c2cc(I)ccc2Oc2ncc(Br)cc21, O=C(N=C=S)c1ccccc1 to produce O=C(NC1=NC2(CCO1)c1cc(I)ccc1Oc1ncc(Br)cc12)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.