Weirdest UTI yet, which antibiotic?

Here's my test results, I've had it for 2mths, took Macrobid, seemed good, cleared up. Stopped Macrobid, next day instantly knew horrible fish smell and milky urine. Never has a uti smelled this gross fishy smell ever! Took another sample in and this time it's not sensitive to Macrobid. In your experience what is the best antibiotic for this weird uti w/Beta-lacamase" I have never taken any of these antibiotics listed before for a uti. it's a weird one? Any thoughts? Please & Thanks..... Dr. phoned, but I missed call, now not open till Monday. Final

Organism 1

1) ESCHERICHIA COLI OVER 100 M CFU/L - Susceptibility testing of this organism indicates production of a broad-spectrum beta-lactamase. This isolate may be clinically resistant to all penicillins and cepahalosporins. Follow infection control precautions as prescribed by your institution or hospital. Antibiotic Susceptibility Org1 Ampicillin R Cephalothin/Cephalexin R Cefixime R Ceftriaxone R Meropenem S Ertapenem S Trimethoprim-Sulfa R Ciprofloxacin R Gentamicin R Tobramycin I Amikacin S Tetracycline R Nitrofurantoin R Fosfomycin S

Weirdest UTI yet, which antibiotic?