Using Cc1cnc(CNC2CCN(C(=O)OC(C)(C)C)CC2)c(C)c1, O=Cc1nccc2ccccc12 to produce Cc1cnc(CN(Cc2nccc3ccccc23)C2CCN(C(=O)OC(C)(C)C)CC2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.