Using C#CCBr, COC(=O)N1CCC(N2CCC(n3c(=O)[nH]c4ccccc43)CC2)CC1 to produce C#CCn1c(=O)n(C2CCN(C3CCN(C(=O)OC)CC3)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.