Using CC(C)C[C@@H](C(=O)NN(CC(C)C)C(=O)[C@@H](C)NC(=O)OCC1c2ccccc2-c2ccccc21)C(C/C=C/c1cccs1)C(=O)OC(C)(C)C to produce CC(C)CCC(=O)NN(CC(C)C)C(=O)[C@@H](C)NC(=O)OCC1c2ccccc2-c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.