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, c, or d without using any other words.
Options:
[a] C[C@@]1(c2cc(-c3cncnc3)c(F)cc2F)CCSC(N)=N1
[b] CC(C)c1ccccc1C(=O)N(CC1CCC1)C1CCNC1
[c] CCOc1cc2ncc(C(N)=O)c(Nc3cccc(Cl)c3Cl)c2cc1N1CCN(CCO)CC1
[d] CN1Cc2c(N)cccc2C(c2ccccc2)C1
Answer: c
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-(2,3-dichloroanilino)-7-ethoxy-6-[4-(2-hydroxyethyl)piperazin-1-yl]quinoline-3-carboxamide