Using CC(C)(C)OC(=O)N1CCN(C(=O)Cc2c3c(nn2-c2ccccc2)c(=O)[nH]c2ccccc23)CC1 to produce O=C(Cc1c2c(nn1-c1ccccc1)c(=O)[nH]c1ccccc12)N1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.