Using Oc1cccnc1, CC(C)(C)N1C(=O)C(NCCCBr)=C(c2ccccc2)S1(=O)=O to produce CC(C)(C)N1C(=O)C(NCCCOc2cccnc2)=C(c2ccccc2)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.