Using CC(C)(C)OC(=O)OC(=O)OC(C)(C)C, O=c1[nH]c2ccccc2n1C1CCNCC1 to produce CC(C)(C)OC(=O)N1CCC(n2c(=O)[nH]c3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.