Electromagnetic Induction and Alternating Currents: JEE Main 2021 Physics question

In an LCR series circuit, an inductor 30 mH and a resistor 1 $\Omega$ are connected to an AC source of angular frequency 300 rad/s. The value of capacitance for which, the current leads the voltage by 45$^\circ$ is ${1 \over x} \times {10^{ - 3}}$ F. Then the value of x is ____________.