Sodium;(2s,5s,6s)-6-[[2-(4-hydroxyphenyl)-2-[[2-oxo-6-[(e)-2-phenylethenyl]-1h-pyridine-3-carbonyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate