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.) CC(=O)N1CCN(c2ccc(OC[C@@H]3CO[C@](Cn4ccnc4)(c4ccc(Cl)cc4Cl)O3)cc2)CC1
b.) CN(C)C(=O)[C@@H](CO)N(C)Cc1ccc2c(c1)CC[C@H](N1CCN(CCc3ccc(F)cc3)CC1=O)C2
c.) CC(=O)c1ccc(CN2CCC(NC(=O)c3cc(=O)c4ccc(F)cc4o3)CC2)cc1
d.) N#Cc1ccc(Cn2cncc2C[NH+](Cc2cccnc2)[C@H]2CCN(Cc3ccccc3)C2=O)cc1
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}
(2R)-2-[[(6S)-6-[4-[2-(4-fluorophenyl)ethyl]-2-oxidanylidene-piperazin-1-yl]-5,6,7,8-tetrahydronaphthalen-2-yl]methyl-methyl-amino]-N,N-dimethyl-3-oxidanyl-propanamide