Using C[C@@H]1CN(C(=O)OC(C)(C)C)CCN1Cc1nnnn1-c1cccc(C(F)(F)F)c1 to produce C[C@@H]1CNCCN1Cc1nnnn1-c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.