Click on Layers and choose "Add a layer", and "Provide a layer version ARN" and enter the following ARN. If you don't use aws-lambda-libreoffice npm package, then these steps are roughly what you need ...
† Departamento de Química Fundamental, Instituto de Química da Universidade de São Paulo (USP), C.P. 26077- CEP 05513-970 - São Paulo, SP, Brazil ‡ LENS, European Laboratory for Nonlinear Spectroscopy ...