Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. c1ccc2cc(OCC3CCNCC3)ccc2c1
b. COc1cccnc1C(=O)N1CCN(c2ccc(NC(=O)C(C)(C)c3ccccc3)cc2Cl)CC1.Cl
c. ClC(Cl)Cl
Answer: a
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}
4-(naphthalen-2-yloxymethyl)piperidine