Using CCCCOC(=O)c1nc(Br)c2ccccc2c1OCc1ccccc1, CC(C)CB(O)O to produce CCCCOC(=O)c1nc(CC(C)C)c2ccccc2c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.