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, or d without using any other words.
Options:
a. O=C(c1cccc(Cl)c1Cl)N(c1ccccc1)C1CCNC1
b. Cc1ccc(N(C)C(=O)c2c(-c3ccccc3Cl)noc2C)cc1Cl
c. COc1nccnc1CC1=C(CCN(C)C)Cc2cc(Cl)ccc21
d. C[C@H]([C@H](O)c1ccc2c(c1)CCC(=O)N2)N1CCC(O)(c2ccc(F)cc2)CC1
Answer: a, 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}
2-[6-chloro-3-[(3-methoxypyrazin-2-yl)methyl]-1H-inden-2-yl]-N,N-dimethylethanamine