Using C[C@H](NC1=NC(=O)C(C)(CCCNC2CC2)S1)c1ccccc1C(F)(F)F, O=C(O)c1ccoc1 to produce C[C@H](NC1=NC(=O)C(C)(CCCN(C(=O)c2ccoc2)C2CC2)S1)c1ccccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.