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 additional words.
Options:
a) CCC(=O)N1CCN(c2ccccc2NC(=O)Cc2ccc(Cl)cc2)CC1
b) CC(=O)Oc1ccc(/C(C)=N\N2CCN(Cc3ccc(Cl)cc3)CC2)cc1
c) COC(=O)C1=C(N)Oc2cc(C)n(CC3CCCO3)c(=O)c2C1c1ccccc1OC
d) COc1ccc(/C=C2\SC(=O)N(CCNC(=O)C3=COCCO3)C2=O)cc1
Answer: a
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}