Using BrCc1ccccc1, O=C1COc2cccc3nc4c(c(c23)N1)CCCC4 to produce O=C1COc2cccc3nc4c(c(c23)N1Cc1ccccc1)CCCC4, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.