Using C=CC[C@H]1CC[C@@H](C(=O)NCCc2ccccc2)N1C(=O)[C@@H](N)CC=C, C[C@@H](C(=O)O)N(C)C(=O)OC(C)(C)C to produce C=CC[C@H]1CC[C@@H](C(=O)NCCc2ccccc2)N1C(=O)[C@H](CC=C)NC(=O)[C@H](C)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.