Using Cc1c(-c2ccc(C(=O)N3CCC[C@H](N)C3)s2)noc1C(F)(F)F, O=C(Cl)CCl to produce Cc1c(-c2ccc(C(=O)N3CCC[C@H](NC(=O)CCl)C3)s2)noc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.