Using CC(C)(C)OC(=O)CCC[N+]12CCC(CC1)[C@@H](OC(=O)C(O)(c1ccccc1)c1ccccc1)C2 to produce O=C(O)CCC[N+]12CCC(CC1)[C@@H](OC(=O)C(O)(c1ccccc1)c1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.