Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCN(CC)Cc1ccc2c(c1)CC[C@H](N1CCN(CCc3ccc(F)cc3)CC1=O)C2
b) Fc1ccc(C(OCC[NH+]2CC[NH+](CCCc3ccccc3)CC2)c2ccc(F)cc2)cc1
c) O=C1CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc2N1
d) C1CCC2(C1)C1C[NH+](CC3CC3)CC2C[NH+](CC2CC2)C1
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
1-[(2S)-6-(diethylaminomethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]-4-[2-(4-fluorophenyl)ethyl]piperazin-2-one