Using BrCc1ccccc1, CCn1ncc(C(=O)c2ccc3c(c2C)C(OC)CCS3(=O)=O)c1O to produce CCn1ncc(C(=O)c2ccc3c(c2C)C(OC)CCS3(=O)=O)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.