Task: Please answer the following question about the molecule with SMILES CCCCCCCCCCCC(=O)OCN1C(=O)CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc21.
Description: Please provide a description of this drug's mechanism of action.
Answer: Serotonin 2a (5-HT2a) receptor antagonist
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CCCCCCCCCCCC(=O)OCN1C(=O)CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc21
CCCCCCCCCCCC(=O)OCN1C(=O)CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc21
[7-[4-[4-(2,3-dichlorophenyl)piperazin-1-yl]butoxy]-2-oxo-3,4-dihydroquinolin-1-yl]methyl dodecanoate
Please provide a description of this drug's mechanism of action.