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 other words.
Options:
a: OCCN1CCN(c2ccc3nc(-c4ccccc4)c(-c4ccc(CN5CCC(c6nnc(-c7ccccn7)[nH]6)CC5)cc4)nc3n2)CC1
b: c1ccc(-c2[nH]c3ccccc3c2C2CCNCC2)cc1
c: Cc1ccccc1C(C(=O)NC1CCCC1)N(C(=O)Cn1cnc2ccccc21)c1cccc(F)c1
Answer: b
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-phenyl-3-piperidin-4-yl-1H-indole