Spaces are valid in fields, even at the start or end. Furthermore you cannot start quoting in the middle of a field, which is why this doesn't work. For unquote

Spaces are valid in fields, even at the start or end. Furthermore you cannot start quoting in the middle of a field, which is why this doesn't work. For unquoted fields you can put as many spaces as you like after the separator, but they become part of the field, then.