Using CCCCOCCOc1ccc(-c2ccc3c(c2)C=C(C(=O)OC)CCN3)cc1, CC(C)=CCBr to produce CCCCOCCOc1ccc(-c2ccc3c(c2)C=C(C(=O)OC)CCN3CC=C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.