'The sweet, smoky scent of toasted marshmallows found her nose as she licked melted chocolate from her fingertips." This is your answer as it explicitly states the sense of smell.
"The sweet, smoky scent of toasted marshmallows found her nose"
Explanation:
The phrase "The sweet, smoky scent of toasted marshmallows found her nose" contains sensory language that relates to the sense of smell.
The phrase describes in a very precise way the way in which the smell of the children moves delicately and sweetly towards the nose of the woman in the story, while she does another action, indicating that it is a good night for camping.
