Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_29 (species_specific VARCHAR, link VARCHAR, comparative VARCHAR, intra_molecular_structure VARCHAR)
### Question:
Which Species Specific has a Comparative of no, and an Intra-molecular structure of no, and a Link of sourcecode?
### Answer:
SELECT species_specific FROM table_name_29 WHERE comparative = "no" AND intra_molecular_structure = "no" AND link = "sourcecode"