Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: c1ccc(C(c2nnnn2C2CCCC2)N2CCCCCC2)nc1
b: CCC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N/N=C/c1cccc2nccnc12
c: C=CCn1c2ccccc2c2nnc(SC(CC)C(=O)Nc3nc(C)c(C(=O)OCC)s3)nc21
d: OCC1CCN(Cc2cn(Cc3ccccc3)nc2-c2cc3ccccc3o2)CC1
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}