Using C#CCBr, CC(C)(C)OC(=O)n1c(CN2CCNCC2=O)cc2cnccc21 to produce C#CCN1CCN(Cc2cc3cnccc3n2C(=O)OC(C)(C)C)C(=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.