The ornamental design for the bottle with cap, as shown and described.
FIG. 1 is a top side front perspective view of the bottle with cap;
FIG. 2 is a front elevation view thereof;
FIG. 3 is rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of a portion of the bottle with cap is included for the purpose of illustrating portions of the article and forms no part of the claimed design.