(5R,6R,7R)-2-[(2,5-dimethylphenyl)-prop-2-enylcarbamoyl]-3-[(2R)-1-hydroxypropan-2-yl]-7,8-dimethyl-4-oxo-10-oxa-3-azatricyclo[5.2.1.01,5]decane-6-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.