1.  A cleavable linker connects to a tumor-targeting dye and a chemotherapy drug. It converts the toxic drug into a non-toxic form until the dye brings the drug to the tumor's site.

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2. The Dye Drug Conjugate transforms the toxic chemotherapy drug into a non-toxic form via a cleavable linker.

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3. The Dye Drug Conjugate is non-toxic healthy cells during systemic circulation in the patient.

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4. The toxic form of the chemotherapy drug is released only once it is inside a cancer cell, where it is activated and kills the cancer cells.

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5. The near-infrared dye serves a dual function of tumor targeting, allowing selective drug delivery, and tumor imaging.