Using Cn1cc(-c2ccc3c(c2)C(=O)CC2(CCN(C(=O)OC(C)(C)C)CC2)O3)cn1 to produce Cn1cc(-c2ccc3c(c2)C(=O)CC2(CCNCC2)O3)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.