Q: What is the highest development stage achieved for this compound across all indications? Please respond with Approved, Phase 3 Clinical Trials, Phase 2 Clinical Trials, Phase 1 Clinical Trials, Early Phase 1 Clinical Trials, or Clinical Phase Unknown.
 The Molecule has the SMILES CN1CCC(Nc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1.
Result: Phase 1 Clinical Trials
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CN1CCC(Nc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1
CN1CCC(Nc2ncc3ncnc(Nc4ccc(F)c(Cl)c4)c3n2)CC1
4-N-(3-chloro-4-fluorophenyl)-6-N-(1-methylpiperidin-4-yl)pyrimido[5,4-d]pyrimidine-4,6-diamine
What is the highest development stage achieved for this compound across all indications? Please respond with Approved, Phase 3 Clinical Trials, Phase 2 Clinical Trials, Phase 1 Clinical Trials, Early Phase 1 Clinical Trials, or Clinical Phase Unknown.