Using O=C(CBr)c1ccc([N+](=O)[O-])cc1, COC(=O)c1ccccc1S to produce O=C(c1ccc([N+](=O)[O-])cc1)c1sc2ccccc2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.