Using CC(C)(C)OC(=O)NCCCNCc1c2ccccc2cc2ccccc12, CCBr to produce CCN(CCCNC(=O)OC(C)(C)C)Cc1c2ccccc2cc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.