Is a man considered a Muuli if he swears, 'By God, I will not have intercourse with you such that it does not reach the touching of the circumcised parts'?

Primary text

A man who swears, 'By God, I will not have intercourse with you such that it does not reach the touching of the circumcised parts' is considered a Muuli, because he cannot fulfill the obligatory intercourse during reconciliation without breaking his oath.