SMS Marketing 160 Characters

Write SMS marketing message for {{campaign_purpose}}.

CONSTRAINTS:
- Maximum 160 characters (single SMS)
- Include brand identifier
- Clear value/offer
- Action instruction
- Opt-out mention (if required)
- No link shorteners that look spammy
- Compliant with TCPA/carrier rules

Brand: {{brand_name}}
Offer: {{offer}}
Urgency level: {{urgency}}
Link to include: {{link}}
Audience: {{audience}}

Provide:
1. SMS message with character count
2. Send timing recommendation
3. Segment targeting suggestion
4. Follow-up message if applicable
5. Compliance checklist