Using C=CCBr, CCOC(=O)C1(NC(=O)c2cccc(C)c2O)Cc2ccccc2C1 to produce C=CCOc1c(C)cccc1C(=O)NC1(C(=O)OCC)Cc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.