preferred_name: benzylthiol + 2-aminoprop-2-enoate => S-benzyl-L-cysteine
preferred_name_lc: benzylthiol + 2-aminoprop-2-enoate => s-benzyl-l-cysteine
label: benzylthiol + 2-aminoprop-2-enoate => S-benzyl-L-cysteine
label_lc: benzylthiol + 2-aminoprop-2-enoate => s-benzyl-l-cysteine