Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C(c1ccc(S(=O)(=O)N2CCCCCC2)cc1)N(c1ccccn1)C1CCCCC1
(b) CC(C)Cc1nc2c(nnn2Cc2ccccc2F)c(=O)[nH]1
(c) CCN1CCC(NC(=O)Nc2ccc(F)cc2F)CC1
(d) CCN(CC)CCCN(C(C)=O)c1nc(-c2cc(OC)ccc2OC)cs1.Cl
Answer: d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}