Using Cc1cc(NC(=O)N[C@H](C(=O)N2CCC(Cc3ccccc3)CC2)C(C)C)c2ccccc2n1 to produce Cc1cc(NC(=O)N[C@H](CN2CCC(Cc3ccccc3)CC2)C(C)C)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.