Using C#CCBr, COc1cc(/C=C/C(=O)CC(=O)/C=C/c2ccc(O)c(OC)c2)ccc1O to produce C#CCC(C(=O)/C=C/c1ccc(O)c(OC)c1)C(=O)/C=C/c1ccc(O)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.