Using C=CCBr, COc1cc2c(cc1O)C(Cc1ccc(OC)c(OC)c1)NCC2 to produce C=CCN1CCc2cc(OC)c(O)cc2C1Cc1ccc(OC)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.