TY - RPRT TI - SmileyLlama: modifying large language models for directed chemical space exploration AU - Cavanagh, Joseph M. [University of California, Berkeley, CA (United States)] AU - Sun, Kunyang [University of California, Berkeley, CA (United States)] AU - Gritsevskiy, Andrew [Promontory Labs, San Francisco, CA (United States)] AU - Bagni, Dorian [University of California, Berkeley, CA (United States)] AU - Wang, Yingze [University of California, Berkeley, CA (United States)] (ORCID:0000000217063791) AU - Bannister, Thomas D. [The Herbert Wertheim UF Scripps Institute for Biomedical Innovation and Technology, Jupiter, FL (United States)] (ORCID:0000000306838886) AU - Head-Gordon, Teresa [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:0000000300258987) PY - 2026 DO - 10.1038/s43588-026-00986-y UR - https://www.osti.gov/biblio/3374242 ID - 3374242 ER -