Using N#Cc1ccc2[nH]cc(C3CCC4(CC3)OCCO4)c2c1, CCBr to produce CCn1cc(C2CCC3(CC2)OCCO3)c2cc(C#N)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.