Using Cc1cccc(NC(=O)NCC(=O)O)c1, CC(C)(C)OC(=O)[C@@H]1CSC(c2ccccc2F)N1 to produce Cc1cccc(NC(=O)NCC(=O)N2[C@@H](c3ccccc3F)SC[C@H]2C(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.