Task: Answer the following question about the molecule with SMILES CN[C@]1(c2ccccc2Cl)CCCCC1=O.
Description: Please provide a description of this drug's mechanism of action.
Result: Glutamate [NMDA] receptor negative allosteric modulator
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CN[C@]1(c2ccccc2Cl)CCCCC1=O
CN[C@]1(c2ccccc2Cl)CCCCC1=O
(2S)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
Please provide a description of this drug's mechanism of action.