Using C#CCBr, COc1cc2c(cc1OC)-c1c(O)c(OC)cc3c1C(C2)NCC3 to produce C#CCN1CCc2cc(OC)c(O)c3c2C1Cc1cc(OC)c(OC)cc1-3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.