Using BrCc1ccccc1, COC(=O)c1nc2n(CC(=O)N3CCCCC3)ccn2c(=O)c1O to produce COC(=O)c1nc2n(CC(=O)N3CCCCC3)ccn2c(=O)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.