Name the carbonyl-containing compound below. If possible, provide both common and IUPAC names.
CH₂(Cl)CH₂CH₂CH₂CH(CH₃)CHO

IUPAC name: 2-chloro-6-methylpentanal

Common name: None

IUPAC name:2-chloro-6-methylhexanal

Common name: caproaldehyde

IUPAC name: 6-chloro-2-methylhexanal

Common name: None

IUPAC name: 2-chloro-6-methylhexanal

Common name: caproaldehyde