Using CC1(C)OB(c2ccc3cc(NC(=O)c4ccsc4)ccc3c2)OC1(C)C, O=C1Cc2cccc(Br)c2N1 to produce O=C1Cc2cccc(-c3ccc4cc(NC(=O)c5ccsc5)ccc4c3)c2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.