Using CC(C)C[C@@H](C(=O)N1CCC(=C2c3ccccc3C=Cc3ccccc32)CC1)N(C)C(=O)OC(C)(C)C to produce CN[C@@H](CC(C)C)C(=O)N1CCC(=C2c3ccccc3C=Cc3ccccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.