Special rules for amounts payable in equity
For purposes of paragraph (2), indebtedness shall be treated as payable in equity of the issuer or any other person only if—
(A) a substantial amount of the principal or interest is required to be paid or converted, or at the option of the issuer or a related party is payable in, or convertible into, such equity,
(B) a substantial amount of the principal or interest is required to be determined, or at the option of the issuer or a related party is determined, by reference to the value of such equity, or
(C) the indebtedness is part of an arrangement which is reasonably expected to result in a transaction described in subparagraph (A) or (B).
For purposes of this paragraph, principal or interest shall be treated as required to be so paid, converted, or determined if it may be required at the option of the holder or a related party and there is a substantial certainty the option will be exercised.