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, or c without using any additional words.
Options:
a. Cc1nc2c(s1)[C@@](c1ccccc1)(c1cccc(-c3cncnc3)c1)N=C2N
b. N#Cc1ccc(N2N=C(c3ccc4[nH]c(=O)oc4c3)CC2c2ccc(C(=O)O)cc2)cc1
c. O=S(=O)(c1ccc(F)cc1)C1CCN(CCc2ccc(F)cc2F)CC1
Answer: a, c
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-(4-fluorophenyl)sulfonylpiperidine