Using COc1cccnc1Br, CCOc1ccc(-c2nc(CCC=O)cs2)cc1OCC to produce CCOc1ccc(-c2nc(CCC(O)c3ncccc3OC)cs2)cc1OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.