Using COC(=O)[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CC1CCCCC1, [Li]c1ccccc1 to produce CC(C)(C)OC(=O)N1[C@@H](CC2CCCCC2)[C@H](C(=O)c2ccccc2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.