Is it not true that there is no harm for a Muslim to supplicate using any good words they choose, even if they are not found in the Sunnah, and this includes supplicating with rhymed prose, taking into consideration what was mentioned in Fatwa No. 140564 regarding the preference for supplications and ذكر (remembrance of Allah) found in the Sunnah?

We previously highlighted the permissibility for a Muslim to choose any supplication they prefer, even if its exact wording is not established in the Sunnah, due to the general statement of the Prophet, peace and blessings be upon him: "Let each of you choose from supplication what he likes most, and then let him supplicate Allah, the Exalted and Most High." Nevertheless, supplications taken from the Book of Allah and those authentically transmitted from the Messenger of Allah, peace and blessings be upon him, retain their superior merit. This does not contradict what we mentioned regarding unrestricted supplications being prohibited only if one commits to a specific number and time for them, believing in their Sunnah status or special virtue. Sheikh Bakr Abu Zayd alluded to this with the word "as Sunnah" in his statement: "Whoever innovates in worship—such as specified dhikr and supplication—that which is not from it, considering it as Sunnah..."