Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) Cc1ccc(C2(O)CCC(N3CCC(NC(=O)CNC(=O)c4cccc(C(F)(F)F)c4)C3)CC2)cn1
b) N#Cc1cnc(C(=O)Nc2ccc(C3CCN(CCO)CC3)cc2C2=CCCCC2)[nH]1
c) COc1ccc(S(=O)(=O)N2CCOc3ccccc32)cc1NC1CCN(C)CC1
d) O=S(=O)(c1ccccc1F)C1(F)CCN(CCc2ccc(F)cc2F)CC1
e) O=C(O)C1CN(C2CC[C@]3(Cc4ccccc4Cc4ccccc43)C2)C1
Answer: 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-[2-(2,4-difluorophenyl)ethyl]-4-fluoro-4-(2-fluorophenyl)sulfonylpiperidine