What's the best milk shifter ?

Hi Mommies ! My LO is 4 months now. I am planning to shift her from breastfeed to bottle feed. Whats the best milk kaya ? I tried bona and s26 kaso ayaw niya. Before mga up to 4 weeks okay pa siya ngayon ayaw niya na. Plano ko na kase mag work. Thank you in advance