Using Cc1cc2c(cc1Br)cc1n2[C@H](C)CN(C(=O)OC(C)(C)C)C1 to produce Cc1cc2c(cc1Br)cc1n2[C@H](C)CNC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.